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Patent 26592 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 26592
(21) Application Number: 26592
(54) English Title: VENTILATOR
(54) French Title: VENTILATEUR
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • MCDONALD, RACHEL (Canada)
(73) Owners :
  • RACHEL MCDONALD
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1887-05-04
(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 A system of ventilating apartments, consisting of a series of receivers A placed in the ceiling, each receiver having at its apex a pipe adapted to be connected with plain lengths of piping b, coupling said receivers by pipe lines into one trunk line, and connecting the latter by a discharge pipe with the chimney flue F, sub-stantially as shown and described. 2nd The combination of the flue F, ceiling C, receivers A, B and A1, B1, pipes b, T, pipes b1, branches b11, b111, and discharge d, d1, substantially as set forth. 3rd The combination of the inverted funnel A, pipe B, lugs a and lid AI, substantially as set forth. 4th The combination of the ceiling C, receivers A, pipes B, pipes b, connections Si,b11, b111, discharge d, d1 and flue F, substantially as set forth.
Description

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Sorry, the description for patent document number 26592 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

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 1905-05-04
Grant by Issuance 1887-05-04

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
RACHEL MCDONALD
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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