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Patent 545826 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 545826
(21) Application Number: 545826
(54) English Title: PROTECTIVE DEVICE FOR ELECTRIC CIRCUIT
(54) French Title: DISPOSITIF PROTECTEUR POUR CIRCUIT ELECTRIQUE
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • B23H 11/00 (2006.01)
  • B23K 9/10 (2006.01)
  • B26D 5/00 (2006.01)
  • B26D 7/00 (2006.01)
  • B60L 3/00 (2019.01)
  • B60L 7/04 (2006.01)
  • F16K 31/06 (2006.01)
  • H01H 9/00 (2006.01)
  • H01H 39/00 (2006.01)
  • H01H 71/00 (2006.01)
  • H01H 73/00 (2006.01)
  • H01H 85/00 (2006.01)
  • H01H 89/00 (2006.01)
  • H01L 27/00 (2006.01)
  • H01L 29/00 (2006.01)
  • H01M 10/42 (2006.01)
  • H01M 50/586 (2021.01)
  • H01P 1/202 (2006.01)
  • H02H 1/00 (2006.01)
  • H02H 3/00 (2006.01)
  • H02H 5/00 (2006.01)
  • H02H 7/00 (2006.01)
  • H02H 9/00 (2006.01)
  • H02H 11/00 (2006.01)
  • H02M 7/00 (2006.01)
  • H02P 3/08 (2006.01)
  • H02P 9/30 (2006.01)
  • H03F 1/52 (2006.01)
  • H03K 5/01 (2006.01)
  • H05B 41/285 (2006.01)
  • H05B 47/26 (2020.01)
  • H05K 5/00 (2006.01)
  • H05K 7/14 (2006.01)
(72) Inventors :
  • ROYER R. BLAIR,
(73) Owners :
  • WESTERN ELECTRIC COMPANY, INCORPORATED
(71) Applicants :
  • WESTERN ELECTRIC COMPANY, INCORPORATED (United States of America)
(74) Agent:
(74) Associate agent:
(45) Issued: 1957-09-03
(22) Filed Date:
Availability of licence: N/A
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

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Claims

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Sorry, the claims for patent document number 545826 were not found.
Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Description

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Representative Drawing

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Administrative Status

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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Event History

Description Date
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
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Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
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Inactive: IPC from PCS 2023-05-27
Inactive: Expired (old Act Patent) latest possible expiry date 1974-09-03
Grant by Issuance 1957-09-03

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
WESTERN ELECTRIC COMPANY, INCORPORATED
Past Owners on Record
ROYER R. BLAIR
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
Documents

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Document
Description 		 Date
(yyyy-mm-dd) 		 Number of pages   Size of Image (KB) 
Drawings 1995-04-22 5 94
Claims 1995-04-22 2 77
Descriptions 1995-04-22 17 769