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Patent 559982 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 559982
(21) Application Number: 559982
(54) English Title: METHOD FOR STEAM-CURING MACROPOROUS PRODUCTS
(54) French Title: METHODE DE CUISSON A LA VAPEUR DE PRODUITS MACROPOREUX
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC):
  • B28B 11/00 (2006.01)
  • B28B 21/92 (2006.01)
(72) Inventors :
  • LEO T. ULFSTEDT,
(73) Owners :
  • CASIUS CORPORATION LIMITED
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1958-07-08
(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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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.

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Event History

Description Date
Inactive: IPC from PCS 2021-12-11
Inactive: First IPC from PCS 2021-12-11
Inactive: IPC from PCS 2021-12-11
Inactive: Expired (old Act Patent) latest possible expiry date 1975-07-08
Grant by Issuance 1958-07-08

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
CASIUS CORPORATION LIMITED
Past Owners on Record
LEO T. ULFSTEDT
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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Document
Description 		 Date
(yyyy-mm-dd) 		 Number of pages   Size of Image (KB) 
Claims 1995-03-30 2 70
Drawings 1995-03-30 2 27
Descriptions 1995-03-30 7 307