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Patent 27447 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 27447
(21) Application Number: 27447
(54) English Title: NUT LOCK
(54) French Title: ARRETE-ECROU
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • ROLLS, EDWIN C. (Canada)
(73) Owners :
  • EDWIN C. ROLLS
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1887-08-16
(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 lst In a nut look, the combination, with a rail and bolt and nut, of a back plate placed behind the nut, having an elongated vertical slot through which the bolt passes, and two locking plates hinged to said back plate at the upper edge, and adapted to fold down on either side of the nut, substantially as and for the purpose described. 2nd. In a nut lock, the combination, with a rail and bolt, of a back plate having an elongated vertical slot through which the bolt passes, two locking plates hinged to said back plate, and a nut having its rear corners channelled, as described, said locking plates being adapted to fold down upon either side of the nut, and said nut to be turned so that two of its corners will overlap said locking plates, substantially as and for the purpose specified. 3rd The combination, with a flamgeless rail and a bolt and nut, of the back plate E having elongated slot e, and flange e3 and locking plates Et, El hinged to said back plate, substantially as and for the purpose described.
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 1905-08-16
Grant by Issuance 1887-08-16

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
EDWIN C. ROLLS
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.
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