Language selection

/ Gouvernement du Canada
Search

Patent 17833 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 17833
(21) Application Number: 17833
(54) English Title: SPRING HOE
(54) French Title: HOUE A RESSORT
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
(51) International Patent Classification (IPC): N/A
(72) Inventors :
  • HEATH, J.S. (Canada)
(73) Owners :
  • J.O. WISNER SON & CO.
(71) Applicants :
  • J.O. WISNER SON & CO. (Canada)
(74) Agent:
(74) Associate agent:
(45) Issued: 1883-10-08
(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

Sorry, the abstracts for patent document number 17833 were not found.

Claims

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

Claim lst A drill hoe or cultivator tooth having a notch formed in it to fit on to the pin upon which it is pivoted to the drag-bar, and a notch or notches formed in it to receive the pin connecting it to the brace, substantially as and for the purpose specified. 2nd. In a drill hoe or cultivator tooth pivoted to the drag-bar, the combination of a projection formed on the hoe or tooth below the pivot and having a notch or notches formed in it to receive the pin connecting it to the brace, substantially as and for the purpose specified. 3rd. In a drill hoe or cultivator tooth having a projection to fit within the drag-bar, and a notch formed on the top side of the said projection to fit on to the bottom side of the pivot pin, the combination of a strap bolted or otherwise fastened to the drag-bar and extending below the notched projection for the purpose of holding it against the pivot pin, as specified. 4th. In a spring hoe, a locking lever pivoted to the drag bar in combination with a brace, the upper end of which is connected to the locking lever above its pivot while the portion of the locking lever extending below its pivot forms a support for the brace, substantially as and for the purpose specified. 5th In a spring hoe, a locking lever provided with, a hooked end to receive the brace. 6th In a spring 1 hoe, a locking lever provided with pivot pins to connect it to the drag-bar, and a hooked end to connect it to the brace, in combination with a step formed on or by the top edge of locking lever for the purpose of supporting the brace between the point where it connects with the lever and the point where it is attached to the hoe. 7th. In a spring hoe, a locking lever pivoted to the drag bar and connected at its upper end to the hoe brace, in combination with a spring arranged to exert an upward pressure on the lower end of the locking lever, substantially as and for the purpose specified. 8th. In a spring hoe, a brace having a pin fixed at one end to fit into a notch or notches formed on the hoe as specified, in combination with a hole made in the opposite end of the brace to fit over the hooked end of the locking lever. 9th. In a spring hoe, a lever having a pin fixed at one end to fit into a notch or notches formed on the hoe and a corresponding pin fixed at its other end to fit into a notch formed in the locking lever, substantially as and for the purpose specified. 10th. In a spring hoe in which the upper end of the hoe brace is connected to the locking lever above its pivot while the portion of the locking lever extending below its pivot forms a support for the brace, the combination of a hole or pin made in or formed upon the upper end of the brace at a point on one side of the longitudinal centre line of the said brace, substantially as and for the purpose specified. 11th. In a spring hoe, the combination of the lifting chain connected directly with the drag bar.
Description

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

Sorry, the description for patent document number 17833 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 17833 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 1901-10-08
Grant by Issuance 1883-10-08

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
J.O. WISNER SON & CO.
Past Owners on Record
J.S. HEATH
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