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(12) Patent Application: | (11) CA 2184929 |
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(54) English Title: | WORK HELMET WITH AIR FILTRATION |
(54) French Title: | CASQUE DE TRAVAIL A DISPOSITIF DE FILTRATION D'AIR |
Status: | Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication |
(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: | |
(74) Associate agent: | |
(45) Issued: | |
(22) Filed Date: | 1996-09-06 |
(41) Open to Public Inspection: | 1998-03-07 |
Examination requested: | 2003-07-24 |
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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This is a device for protecting a persons head while working in a hazardous environment l.e. steel
industry - welding, grinding or other places where there are hazards to health (lungs, eyes and ears) and a
person needs face and head protection from flying particles which may harm an individual.
This invention consists of a helmet with a face shield. The helmet also consists of two (2) air
filters in which each has a fan to propel air into the helmet. The fans have a rechargeable battery pack for
a power source. On the bottom of the helmet is provided a piece of nonflammable material, quite soft
and flexible, to provide protection to the throat and neck area from foreign materials and ultraviolet rays.
The helmet being made of materials designed to provide the same protection as a hard hat.
L'invention porte sur un dispositif pour protéger la tête d'une personne travaillant dans un milieu dangereux, entre autres l'industrie sidérurgique - soudure, broyage ou autres endroits où il existe des dangers pour la santé (poumons, yeux et oreilles) et où une personne a besoin de protéger son visage et sa tête contre les particules projetées qui pourraient la blesser. Il s'agit d'un casque avec écran facial. Le casque comporte également deux (2) filtres à air avec ventilateur servant à pousser de l'air à l'intérieur du casque. Les ventilateurs sont alimentés par une batterie rechargeable. Le casque est muni, sur sa partie inférieure, d'une étoffe ininflammable douce et souple servant à protéger la région du cou contre les corps étrangers et les rayons ultraviolets. En outre, il est fabriqué avec des matériaux conçus pour offrir la même protection qu'un casque protecteur.
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.
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Description | Date |
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Inactive: IPC from MCD | 2006-03-12 |
Application Not Reinstated by Deadline | 2005-09-06 |
Time Limit for Reversal Expired | 2005-09-06 |
Inactive: Adhoc Request Documented | 2005-06-09 |
Inactive: Abandoned - No reply to s.30(2) Rules requisition | 2005-02-10 |
Inactive: Abandoned - No reply to s.29 Rules requisition | 2005-02-10 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2004-09-07 |
Inactive: S.30(2) Rules - Examiner requisition | 2004-08-10 |
Inactive: S.29 Rules - Examiner requisition | 2004-08-10 |
Inactive: Application prosecuted on TS as of Log entry date | 2003-08-12 |
Letter Sent | 2003-08-12 |
Inactive: Status info is complete as of Log entry date | 2003-08-12 |
Request for Examination Requirements Determined Compliant | 2003-07-24 |
All Requirements for Examination Determined Compliant | 2003-07-24 |
Inactive: Cover page published | 2000-12-21 |
Application Published (Open to Public Inspection) | 1998-03-07 |
Abandonment Date | Reason | Reinstatement Date |
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2004-09-07 |
The last payment was received on 2003-07-24
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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MF (application, 2nd anniv.) - small | 02 | 1998-09-08 | 1998-07-13 |
MF (application, 3rd anniv.) - small | 03 | 1999-09-06 | 1999-08-12 |
MF (application, 4th anniv.) - small | 04 | 2000-09-06 | 2000-07-10 |
MF (application, 5th anniv.) - small | 05 | 2001-09-06 | 2001-06-26 |
MF (application, 6th anniv.) - small | 06 | 2002-09-06 | 2002-07-15 |
MF (application, 7th anniv.) - small | 07 | 2003-09-08 | 2003-07-24 |
Request for examination - small | 2003-07-24 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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MICHAEL JOHNSON |
Past Owners on Record |
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None |