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Patent 21155 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 21155
(21) Application Number: 21155
(54) English Title: DOOR KNOB ATTACHMENT
(54) French Title: MANIERE D'ASSUJETIR LES BOUTONS DES PORTES
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • GONNE, WILLIAM H. (Canada)
(73) Owners :
  • THOMAS BRUNDAGE
  • MARY JANE GONNE
(71) Applicants :
  • THOMAS BRUNDAGE (Canada)
  • MARY JANE GONNE (Canada)
(74) Agent:
(74) Associate agent:
(45) Issued: 1885-02-25
(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

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

Claim.1st. In a door knob attachment, a spindle F consisting of two flat metal plates, each having one end bent slightly outward, and the inner side of the other end serrated for a portion of its length, and a shorter similar metal plate adapted to separate tho first named plates, substantially as and for the purpose hereinbefore set forth. 2nd. J, a fastening pin, which passes between said plates, to engage with the serrated portion thereof, substantially as and for the purpose hereinbefore set forth.
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: Expired (old Act Patent) latest possible expiry date 1903-02-25
Grant by Issuance 1885-02-25

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
THOMAS BRUNDAGE
MARY JANE GONNE
Past Owners on Record
WILLIAM H. GONNE
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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