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Patent 23989 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 23989
(21) Application Number: 23989
(54) English Title: STEAM BOILER
(54) French Title: CHAUDIERE A VAPEUR
Status: Expired
Bibliographic Data
(52) Canadian Patent Classification (CPC):
  • 122/81
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • MUMFORD, JOSEPH A. (Canada)
(73) Owners :
  • MUMFORD, JOSEPH A. (Canada)
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1886-05-06
(22) Filed Date:
Availability of licence: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

Sorry, the abstracts for patent document number 23989 were not found.

Claims

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

Claim.-lst. A steam boiler, closed at one end by an inwardly tapering fire-box C, and having smoke tubes E from the inner end of the fire-box to thc other end of the boiler, as set forth. 2nd. A steam boiler, having an inwardly tapering fire-box C at one end, and smoke-tubes E from the other end connecting with the fire-box, the rear end of the boiler elevated, whereby the smoke tubes will have a slightly upward draft, as set forth, and the water level permit of a steam space beneath the dome B, as set forth. 3rd. In a steam boiler, having a fire-box C, tapering inwardly and provided with smoke tubes E, the grate bars L set to incline downwardly within the firebox C, as set forth. 4th. In a steam boiler, the fire-box C tapering inwardly and having an outward extension provided with doors I, j, grate-bars L, supported at one end by such extension and inclining downwardly within the fire-box C, as set forth. 5th. A steam boiler, having an inwardly tapering fire-box C at one end, smoke tubes E longitudinally at the other end, the rear end elevated and the lower end provided with a blow-off cock M, as set forth.
Description

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Sorry, the description for patent document number 23989 was not found. Text is not available for all patent documents. The current dates of coverage are on the Currency of Information  page

Representative Drawing

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Administrative Status

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Administrative Status

Title Date
Forecasted Issue Date 1886-02-01
(45) Issued 1886-05-06

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
MUMFORD, JOSEPH A.
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.
Documents

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Document
Description 		 Date
(yyyy-mm-dd) 		 Number of pages   Size of Image (KB) 
Claims 2013-07-13 2 59
Drawings 2013-07-13 1 45
Description 2013-07-13 3 94