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Patent 28494 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 28494
(21) Application Number: 28494
(54) English Title: LIFT PUMP
(54) French Title: POMPE ELEVATOIRE
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • CLARK, GEORGE W. (Canada)
(73) Owners :
  • GEORGE W. CLARK
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1888-02-07
(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.

Claim lst The combination, with the pump tube B and tubular cylinders A, Ai, each provided with a check valve, of the inwardly valved tubular cylinders E and F, pump rods G, G. and lever H, for the purpose set forth. 2nd In a pump, the induction pipe L entering the pump tube B. above the cylinders A, Al, and provided with a check valve, whereby a flow of water is induced through the pipe by suction of water passing upwardly in the pump tube, to increase the delivery of water in excess of the quantity passing through the cylinders, as set forth. 3rd The combination of the pump tube B having a jointed neck, and lever II sleeved on the male screw section, as get forth.
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 1906-02-07
Grant by Issuance 1888-02-07

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
GEORGE W. CLARK
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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