Language selection

Search

Patent 12811 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 12811
(21) Application Number: 12811
(54) English Title: IMPROVEMENTS ON WOODEN PUMPS
(54) French Title: PERFECTIONNEMENTS AUX POMPES EN BOIS
Status: Expired
Bibliographic Data
Abstracts

Sorry, the abstracts for patent document number 12811 were not found.

Claims

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

Claim 1st In a pump in which the plunger or piston is operated bye rod passing up through and moving within the pump barrel, the combination of a vessel or chamber placed within the pump barrel, and open at its bottom end, forming an air vessel for equalizing the flow of water forced up the barrel of the pump by the action of the plunger. 2nd In a pump in which the plunger or piston is operated by a rod situated within the barrel, the combination of an air vessel or chamber placed within the pump barrel, and provided with a drop pipe or inner casing, extending from the top of the chamber to its bottom, forming a passage way for the pump rod through the air vessel. 3rd A pump having a handle operating the plunger rod, a spindle forming the pivotal point for the said lever, and supported by a rod pivoted on the body of the pump in combination with an oblique brace, extending from or near the spindle, upon which the handle is pivoted, to a point outside the body of the pump, at which point the said brace is also pivoted. 4th In a pump having a spout with ears or projecting pins on either side of its mouth, the combination of a bale pivoted to a hose coupling and having curved ends which, when fitted over the ears on the spout, and the bale rolled upon its pivot, draw the coupling against the mouth of the pump to form a water tight connection between them. 5th In a pump provided with a spout for the discharge of the water, the combination of spurs or pins situated in either side of the month, for the purpose of connecting the hose coupling.
Description

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

Sorry, the description for patent document number 12811 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 12811 was not found.

Administrative Status

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 , Administrative Status , Maintenance Fee  and Payment History  should be consulted.

Administrative Status

Title Date
Forecasted Issue Date 1881-02-01
(45) Issued 1881-05-14

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
POWELL, CHARLES
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 :



To view images, click a link in the Document Description column. To download the documents, select one or more checkboxes in the first column and then click the "Download Selected in PDF format (Zip Archive)" or the "Download Selected as Single PDF" button.

List of published and non-published patent-specific documents on the CPD .

If you have any difficulty accessing content, you can call the Client Service Centre at 1-866-997-1936 or send them an e-mail at CIPO Client Service Centre.


Document
Description 
Date
(yyyy-mm-dd) 
Number of pages   Size of Image (KB) 
Claims 2013-07-13 2 86
Drawings 2013-07-13 1 33
Description 2013-07-13 4 201