Language selection

Search

Patent 8504 Summary

Third-party information liability

Some of the information on this Web page has been provided by external sources. The Government of Canada is not responsible for the accuracy, reliability or currency of the information supplied by external sources. Users wishing to rely upon this information should consult directly with the source of the information. Content provided by external sources is not subject to official languages, privacy and accessibility requirements.

Claims and Abstract availability

Any discrepancies in the text and image of the Claims and Abstract are due to differing posting times. Text of the Claims and Abstract are posted:

  • At the time the application is open to public inspection;
  • At the time of issue of the patent (grant).
(12) Patent: (11) CA 8504
(21) Application Number: 8504
(54) English Title: IMPROVEMENTS IN STOVES
(54) French Title: PERFECTIONNEMENTS DANS LES POELES
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
Abstracts

Sorry, the abstracts for patent document number 8504 were not found.

Claims

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

Claim lst The internally projecting air pockets B overlapping the fire pot J, and so formed that the air of the room is admitted through an aperture in the lower end of each pocket, and after becoming heated escapes through a hole in the top of the said pocket B, re-entering the room. 2nd A three way valve I provided with a projection i and placed at the junction of the downwardly inclined pipes M M1, in combination with the valve L having a hole 0 through it. 3rd The ash pan E provided with a column D having a hole through it, in combination with the poker F. 4th The lever G connected to the fire pot J and grate K, in combination with the plate H.
Description

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

Sorry, the description for patent document number 8504 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

Sorry, the representative drawing for patent document number 8504 was not found.

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.

Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.

For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Event History , Maintenance Fee  and Payment History  should be consulted.

Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1896-03-08
Grant by Issuance 1878-03-08

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
JOHN W. ELLIOTT
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

To view selected files, please enter reCAPTCHA code :



Sorry, no documents were found