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Patent 494323 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 494323
(21) Application Number: 494323
(54) English Title: TRANSFER MECHANISM
(54) French Title: MECANISME DE TRANSBORDEMENT
Status: Expired and beyond the Period of Reversal
Bibliographic Data
(51) International Patent Classification (IPC):
  • B21D 53/00 (2006.01)
  • B21J 5/12 (2006.01)
(72) Inventors :
  • JOSEPH M. SCHAEFFER,
  • HERBERT L. HOYT,
(73) Owners :
  • THE WATERBURY FARREL FOUNDRY AND MACHINE COMPANY
(71) Applicants :
  • THE WATERBURY FARREL FOUNDRY AND MACHINE COMPANY
(74) Agent:
(74) Associate agent:
(45) Issued: 1953-07-07
(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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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.

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Event History

Description Date
Inactive: IPC from PCS 2021-12-11
Inactive: IPC from PCS 2021-12-11
Inactive: First IPC from PCS 2021-12-11
Inactive: Dead - No reply to Office letter 2008-01-07
Time Limit for Reversal Expired 2008-01-07
Inactive: Abandoned - No reply to Office letter 2007-01-08
Inactive: Office letter 2006-10-06
Inactive: Expired (old Act Patent) latest possible expiry date 1970-07-07
Grant by Issuance 1953-07-07

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
THE WATERBURY FARREL FOUNDRY AND MACHINE COMPANY
Past Owners on Record
HERBERT L. HOYT
JOSEPH M. SCHAEFFER
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 1995-06-10 6 316
Drawings 1995-06-10 5 537
Descriptions 1995-06-10 11 667
Courtesy - Abandonment Letter (Office letter) 2007-04-02 1 166