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Patent 473021 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 473021
(21) Application Number: 473021
(54) English Title: CONTROL SYSTEMS
(54) French Title: SYSTEMES DE COMMANDE
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • A61G 07/018 (2006.01)
  • B05B 12/12 (2006.01)
  • B41J 03/407 (2006.01)
  • B41J 11/00 (2006.01)
  • B41J 29/00 (2006.01)
  • B60L 03/00 (2019.01)
  • B60L 50/00 (2019.01)
  • B60L 53/10 (2019.01)
  • B60L 58/00 (2019.01)
  • B60Q 01/00 (2006.01)
  • B62J 06/023 (2020.01)
  • B67D 07/34 (2010.01)
  • D21C 09/00 (2006.01)
  • D21H 21/02 (2006.01)
  • D21H 23/10 (2006.01)
  • E05F 15/605 (2015.01)
  • E06B 03/48 (2006.01)
  • F21S 41/663 (2018.01)
  • F28D 20/00 (2006.01)
  • F41G 01/36 (2006.01)
  • F41G 03/14 (2006.01)
  • G01B 05/24 (2006.01)
  • G01C 19/00 (2013.01)
  • G01J 05/10 (2006.01)
  • G01N 21/00 (2006.01)
  • G01N 33/00 (2006.01)
  • G05B 19/00 (2006.01)
  • G05B 23/02 (2006.01)
  • G06F 03/01 (2006.01)
  • G06F 13/40 (2006.01)
  • G06F 21/00 (2013.01)
  • G10L 15/26 (2006.01)
  • H01M 10/00 (2006.01)
  • H02J 07/00 (2006.01)
  • H02M 07/5387 (2007.01)
  • H02P 03/06 (2006.01)
  • H02P 06/08 (2016.01)
  • H02P 29/40 (2016.01)
  • H03G 03/34 (2006.01)
  • H03K 17/00 (2006.01)
  • H04L 09/40 (2022.01)
  • H04L 41/00 (2022.01)
  • H04L 43/00 (2022.01)
  • H04L 49/00 (2022.01)
  • H04L 65/00 (2022.01)
  • H04L 67/12 (2022.01)
  • H04N 05/33 (2023.01)
  • H04R 01/40 (2006.01)
  • H04S 07/00 (2006.01)
(72) Inventors :
(73) Owners :
  • WESTINGHOUSE ELECTRIC CORPORATION
(71) Applicants :
  • WESTINGHOUSE ELECTRIC CORPORATION (United States of America)
(74) Agent:
(74) Associate agent:
(45) Issued: 1951-04-17
(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

Sorry, the abstracts for patent document number 473021 were not found.

Claims

Note: Claims are shown in the official language in which they were submitted.

Sorry, the claims for patent document number 473021 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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Sorry, the description for patent document number 473021 was not found. Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Representative Drawing

Sorry, the representative drawing for patent document number 473021 was not found.

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
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Inactive: Expired (old Act Patent) latest possible expiry date 1968-04-17
Grant by Issuance 1951-04-17

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
WESTINGHOUSE ELECTRIC CORPORATION
Past Owners on Record
None
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) 
Claims 1995-06-26 4 140
Drawings 1995-06-26 1 29
Descriptions 1995-06-26 8 352