Language selection

Search

Patent 10179 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 10179
(21) Application Number: 10179
(54) English Title: IMPROVEMENTS IN DREDGING MACHINES
(54) French Title: PERFECTIONNEMENTS AUX MACHINES A DRAGUER
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
Abstracts

Sorry, the abstracts for patent document number 10179 were not found.

Claims

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

Claim lst The combination, with the spoon or dipper of a dredging machine, of a piston and piston rod arranged to move in a cylinder by hydraulic pressure and connected to said dipper by cable or chain in such manner that the motion of the piston will elevate the dipper. 2nd A hydraulic lift, for the spoon or dipper of a dredging machine, consisting of a water cylinder and piston with inlet and discharge water valves, said piston being connected to the spoon or dipper by cable or chain, in such manner that the dipper would be elevated by the pressure of water and allowed to descend by the discharge of water from the cylinder. 3rd The combination with the crane, and connections of a dredging machine, of water cylinders provided with pistons operated by water pressure and oppositely connected to the crane by chain or cable, in such manner that the said crane and attachments may be revolved alternately in opposite directions on its pivotal points. 4th The combination of appliances whereby the spoon or dipper of a dredging machine is elevated by hydraulic power, and whereby the crane and attachments are revolved alternately in opposite directions by hydraulic power.
Description

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

Sorry, the description for patent document number 10179 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 10179 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 1897-07-03
Grant by Issuance 1879-07-03

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
JAMES CANAN
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