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Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:
(12) Patent: | (11) CA 2869091 |
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(54) English Title: | TOWER LIGHT SHIELD |
(54) French Title: | PROTECTEUR D'ECLAIRAGE POUR TOUR |
Status: | Granted and Issued |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | GOWLING WLG (CANADA) LLP |
(74) Associate agent: | |
(45) Issued: | 2018-06-05 |
(22) Filed Date: | 2014-10-30 |
(41) Open to Public Inspection: | 2016-04-30 |
Examination requested: | 2017-05-10 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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The present invention relates to a beacon light shield or an obstruction light shield. The beacon or obstruction light shield includes a base for receiving the light fixture, a plurality of ribs mounted on the base, and concentrically rings mounted to the ribs. The concentric rings include an inner ring mounted at a first distance away from the center of the base and an outer ring mounted at a second distance away from the center of the base. The beacon or obstruction light shield masks light from the ground at both distances and at locations close to the tower, and does not interfere with the function of the required lighting for the aircraft.
La présente invention a trait à un pare-lumière de phare ou dobstacle. Le pare-lumière de phare ou dobstacle comprend une base pour recevoir le luminaire, une pluralité de nervures montées sur la base et des bagues concentriques montées sur les nervures. Les bagues concentriques comprennent une bague intérieure montée à une première distance par rapport au centre de la base et une bague extérieure montée à une deuxième distance par rapport au centre de la base. Le pare-lumière de phare ou dobstacle masque la lumière provenant du sol aux deux distances et à des emplacements situés près de la tour, et nentrave pas la fonction de léclairage nécessaire pour laéronef.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee and Payment History should be consulted.
Description | Date |
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Inactive: Office letter | 2024-01-23 |
Maintenance Fee Payment Determined Compliant | 2024-01-23 |
Inactive: Office letter | 2023-12-28 |
Inactive: Late MF processed | 2023-12-20 |
Inactive: Reply received: MF + late fee | 2023-12-20 |
Maintenance Request Received | 2023-12-20 |
Letter Sent | 2023-10-30 |
Maintenance Request Received | 2022-09-22 |
Maintenance Request Received | 2021-10-04 |
Common Representative Appointed | 2019-10-30 |
Common Representative Appointed | 2019-10-30 |
Grant by Issuance | 2018-06-05 |
Inactive: Cover page published | 2018-06-04 |
Inactive: Final fee received | 2018-04-20 |
Pre-grant | 2018-04-20 |
Change of Address or Method of Correspondence Request Received | 2018-01-10 |
Notice of Allowance is Issued | 2017-10-26 |
Letter Sent | 2017-10-26 |
4 | 2017-10-26 |
Notice of Allowance is Issued | 2017-10-26 |
Inactive: Q2 passed | 2017-10-24 |
Inactive: Approved for allowance (AFA) | 2017-10-24 |
Amendment Received - Voluntary Amendment | 2017-09-22 |
Amendment Received - Voluntary Amendment | 2017-09-22 |
Inactive: S.30(2) Rules - Examiner requisition | 2017-07-06 |
Inactive: Report - No QC | 2017-07-06 |
Letter sent | 2017-05-18 |
Letter Sent | 2017-05-18 |
Advanced Examination Determined Compliant - paragraph 84(1)(a) of the Patent Rules | 2017-05-18 |
Inactive: Advanced examination (SO) | 2017-05-10 |
Request for Examination Requirements Determined Compliant | 2017-05-10 |
Inactive: Advanced examination (SO) fee processed | 2017-05-10 |
All Requirements for Examination Determined Compliant | 2017-05-10 |
Request for Examination Received | 2017-05-10 |
Inactive: Cover page published | 2016-05-02 |
Application Published (Open to Public Inspection) | 2016-04-30 |
Inactive: IPC assigned | 2015-01-19 |
Inactive: First IPC assigned | 2015-01-19 |
Inactive: IPC assigned | 2015-01-19 |
Inactive: Filing certificate - No RFE (bilingual) | 2014-11-07 |
Application Received - Regular National | 2014-11-04 |
Inactive: Pre-classification | 2014-10-30 |
Inactive: QC images - Scanning | 2014-10-30 |
There is no abandonment history.
The last payment was received on 2017-09-19
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Application fee - standard | 2014-10-30 | ||
MF (application, 2nd anniv.) - standard | 02 | 2016-10-31 | 2016-10-14 |
Advanced Examination | 2017-05-10 | ||
Request for examination - standard | 2017-05-10 | ||
MF (application, 3rd anniv.) - standard | 03 | 2017-10-30 | 2017-09-19 |
Final fee - standard | 2018-04-20 | ||
MF (patent, 4th anniv.) - standard | 2018-10-30 | 2018-09-12 | |
MF (patent, 5th anniv.) - standard | 2019-10-30 | 2019-09-06 | |
MF (patent, 6th anniv.) - standard | 2020-10-30 | 2020-10-07 | |
MF (patent, 7th anniv.) - standard | 2021-11-01 | 2021-10-04 | |
MF (patent, 8th anniv.) - standard | 2022-10-31 | 2022-09-22 | |
Late fee (ss. 46(2) of the Act) | 2023-12-20 | 2023-12-20 | |
MF (patent, 9th anniv.) - standard | 2023-10-30 | 2023-12-20 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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BCE INC. |
Past Owners on Record |
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MIKE POWELL |