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Patent 25962 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 25962
(21) Application Number: 25962
(54) English Title: STEAM BOILER
(54) French Title: CHAUDIERE A VAPEUR
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • MUMFORD, JOSEPH A. (Canada)
(73) Owners :
  • JOSEPH A. MUMFORD
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1887-02-10
(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 The combination, with the boiler casing inclined as shown, of the fire chamber of uniform diameter, and the horizontal boiler tubes diverging in parallel planes, as set forth. 2nd The combination of the boiler casing, inclined as shown, and the fire chamber of uniform diameter, the horizontal tubes communicating therewith, and the blow-off cock located at the lowest point of the boiler, substantially as set forth. 3rd The combination, with the boiler casing, inclined as shown, of the fire chamber, the flues communicating therewith, the front plate or casting, having the fuel and ash door therein, grate bars K and blow-off cock L, substantially as set forth. 4th An inclined boiler, having a fire box constructed of two or more parallel or tapering sections, as set forth. 5th An inclined boiler, having a fire box, and tubes diverging from the fire box through the rear end of the boiler, as set forth. 6th An inclined boiler, having one or more sections tapering to meet the flange of the fire box.
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 1905-02-10
Grant by Issuance 1887-02-10

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
JOSEPH A. MUMFORD
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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