Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.
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 Application: | (11) CA 2098141 |
---|---|
(54) English Title: | PROCEDE ET DISPOSITIF DE FABRICATION D'UN GUIDE D'ONDE METALLIQUE HELICOIDAL POUR FAISCEAU LASER |
(54) French Title: | METHOD AND DEVICE FOR FABRICATING LASER BEAN HELICOIDAL METAL WAVEGUIDES |
Status: | Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication |
(51) International Patent Classification (IPC): |
|
---|---|
(72) Inventors : |
|
(73) Owners : |
|
(71) Applicants : |
|
(74) Agent: | SWABEY OGILVY RENAULT |
(74) Associate agent: | |
(45) Issued: | |
(22) Filed Date: | 1993-06-10 |
(41) Open to Public Inspection: | 1993-12-13 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
---|
(30) Application Priority Data: | ||||||
---|---|---|---|---|---|---|
|
ABRÉGÉ DESCRIPTIF
Le guide d'onde hélicoidal est obtenu à
partir d'une bande métallique plane, polie sur l'une
de. ses faces, que l'on fait passer dans au moins
deux postes de formage successifs comprenant chacun
une paire de galets profilés coopérants concave et
convexe, les galets convexes étant parfaitement
polis et l'écartement entre les galets du poste aval
étant légèrement inférieur à l'épaisseur de la bande
métallique qui les traverse, le rayon d'enroulement
hélicoidal final du guide d'onde étant ajusté par un
galet presseur à position réglable. Application
notamment aux dispositifs de découpe laser.
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 |
---|---|
Inactive: IPC expired | 2014-01-01 |
Inactive: IPC from MCD | 2006-03-11 |
Time Limit for Reversal Expired | 1999-06-10 |
Application Not Reinstated by Deadline | 1999-06-10 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 1998-06-10 |
Application Published (Open to Public Inspection) | 1993-12-13 |
Abandonment Date | Reason | Reinstatement Date |
---|---|---|
1998-06-10 |
The last payment was received on 1997-05-23
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
Please refer to the CIPO Patent Fees web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
---|---|---|---|
MF (application, 4th anniv.) - standard | 04 | 1997-06-10 | 1997-05-23 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
---|
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
Past Owners on Record |
---|
MARC MANCINELLI |
MICHEL DAUVERGNE |
VINCENT PONCON |