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Patent 668358 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 668358
(21) Application Number: 668358
(54) English Title: FURNACE
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • B01J 23/00 (2006.01)
  • B21D 39/02 (2006.01)
  • B21D 53/02 (2006.01)
  • B29C 39/14 (2006.01)
  • B29C 51/42 (2006.01)
  • C01B 03/00 (2006.01)
  • C01B 17/00 (2006.01)
  • C02F 01/00 (2006.01)
  • C07C 29/00 (2006.01)
  • C10G 02/00 (2006.01)
  • C10J 03/18 (2006.01)
  • C10L 01/02 (2006.01)
  • C10L 03/08 (2006.01)
  • C21B 09/10 (2006.01)
  • C21B 11/02 (2006.01)
  • C21B 13/02 (2006.01)
  • C21C 05/00 (2006.01)
  • C22B 01/00 (2006.01)
  • C22B 03/20 (2006.01)
  • C22B 05/00 (2006.01)
  • C22B 09/05 (2006.01)
  • C22B 15/00 (2006.01)
  • C23C 16/00 (2006.01)
  • C25B 01/26 (2006.01)
  • C25B 15/08 (2006.01)
  • C25C 01/00 (2006.01)
  • C25C 07/00 (2006.01)
  • C30B 15/00 (2006.01)
  • C30B 29/06 (2006.01)
  • F23B 40/08 (2006.01)
  • F23D 14/00 (2006.01)
  • F23D 99/00 (2010.01)
  • F23G 05/00 (2006.01)
  • F23K 03/00 (2006.01)
  • F23N 05/00 (2006.01)
  • F24H 03/10 (2006.01)
  • F24H 08/00 (2022.01)
  • F24H 09/00 (2022.01)
  • F27B 03/08 (2006.01)
  • F27B 19/04 (2006.01)
  • F27D 25/00 (2010.01)
  • F28D 09/00 (2006.01)
  • F28F 07/00 (2006.01)
  • F28F 09/00 (2006.01)
  • H01L 21/02 (2006.01)
  • H02K 07/18 (2006.01)
  • H05B 07/18 (2006.01)
  • H05H 01/32 (2006.01)
(72) Inventors :
(73) Owners :
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1963-08-13
(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 668358 were not found.

Claims

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

Sorry, the claims for patent document number 668358 were not found.
Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Description

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

Sorry, the description for patent document number 668358 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 668358 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
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
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: IPC from PCS 2023-05-27
Inactive: Expired (old Act Patent) latest possible expiry date 1980-08-13
Grant by Issuance 1963-08-13

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
None
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) 
Drawings 1995-01-19 7 566
Claims 1995-01-19 6 418
Descriptions 1995-01-19 41 2,756