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Patent 26512 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 26512
(21) Application Number: 26512
(54) English Title: DANGER GUARD FOR RAILWAY FROGS
(54) French Title: GARDE POUR RAILS DE CROISEMENT
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • DRISCOLL, WILLIAM (Canada)
(73) Owners :
  • WILLIAM DRISCOLL
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1887-04-23
(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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Claim lst A guard bar for railway frogs, etc., substantially of the form described, one end adapted to bear on the lower flange and against the sides of two converging rails, and the other end terminating in a spike to be driven into a tie and bent near the ends, whereby the bar between the bends will be nearly on a level with the top of the rails, as set forth for the purpose described. 2nd In combination with two convergent rails, of a bar inserted longitudinally in the space between the rails, and adapted to be secured to a tie or ties or sleeper, substantially as described for the purpose set forth. 3rd The combination, with two convergent or converging rails, of a bar or rod forked at one end to bear upon the lower flange and against the side of the rails, and the other end adapted to be secured to a railway tie and bent upwardly near the ends to nearly the height of the rails to longitudinally obstruct the space between the rails, for the purpose 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 1905-04-23
Grant by Issuance 1887-04-23

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
WILLIAM DRISCOLL
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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