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Patent 26644 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 26644
(21) Application Number: 26644
(54) English Title: HOT WATER HEATER
(54) French Title: CALORIFERE A EAU
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • STEWART, THOMAS C. (Canada)
(73) Owners :
  • THOMAS C. STEWART
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1887-05-07
(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

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

1st In a hot water heating boiler, a series of hollow rings C placed vertically one over the other, and provided with inlet and outlet pipes, and connected by outside coupling pipes, substantially as and for the purpose specified. 2nd In combination, with the rings C, of a hot-water heating boiler, of a jacket or casing I surrounding the same, substantially as and for the purpose specified. 3rd In combination, with the hollow rings C, of a hot-water heating boiler, of the lugs c, d on the top and bottom rings respectively, and the inlet and outlet opening a, 5, substantially as and for the purpose specified. 4th In a hot water heating boiler, the combination of the hollow rings C and the dome H, substantially as and for the purpose specified. 5th In a hot water heating boiler, the combination of the hollow rings C, coupling pies D, inlet and outlet pipes F, G, draft I openings K, L, and casing I, substantially as and for the purpose specified.
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 1905-05-07
Grant by Issuance 1887-05-07

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
THOMAS C. STEWART
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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