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.
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:
(12) Patent: | (11) CA 1097970 |
---|---|
(21) Application Number: | 1097970 |
(54) English Title: | SCABBLER BITS |
(54) French Title: | MISES POUR OUTILS A DEGROSSIR LA PIERRE |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
|
---|---|
(72) Inventors : |
|
(73) Owners : |
|
(71) Applicants : |
|
(74) Agent: | SWABEY OGILVY RENAULT |
(74) Associate agent: | |
(45) Issued: | 1981-03-24 |
(22) Filed Date: | 1979-01-17 |
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: | ||||||
---|---|---|---|---|---|---|
|
ABSTRACT
Title: Scabbler Bits
A bit for a scabbler comprises pointed tips separated
by chisel shaped cutting tips projecting a smaller
distance than the pointed tips. The tips are preferably
in straight rows ending in pointed tips. The tips may
be of tungsten carbide and brazed into position. The
pointed tips make indentations into the surface, and
the chisel shaped tips the break the intermediate
weakened area. The bits are used for abrading hard
ground surfaces.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
Sorry, the representative drawing for patent document number 1097970 was not found.
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.
Description | Date |
---|---|
Inactive: IPC expired | 2024-01-01 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: Expired (old Act Patent) latest possible expiry date | 1998-03-24 |
Grant by Issuance | 1981-03-24 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
---|
JOAD ENGINEERING LIMITED |
Past Owners on Record |
---|
JIM FURBY |