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 Application: | (11) CA 2183211 |
---|---|
(54) English Title: | SCREW |
(54) French Title: | VIS |
Status: | Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication |
(51) International Patent Classification (IPC): |
|
---|---|
(72) Inventors : |
|
(73) Owners : |
|
(71) Applicants : |
|
(74) Agent: | BULL, HOUSSER & TUPPER LLP |
(74) Associate agent: | |
(45) Issued: | |
(22) Filed Date: | 1996-08-13 |
(41) Open to Public Inspection: | 1998-02-14 |
Examination requested: | 1996-08-13 |
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 |
---|
A screw includes a shank and a head formed to a first
end thereof and a second end of the shank is a sharp end, the
shank having a threaded portion defined in an outer periphery
thereof, the threaded portion having in at least one section
thereof a plurality of radially defined cutting teeth.
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.
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 from MCD | 2006-03-12 |
Inactive: Cover page published | 2000-12-20 |
Time Limit for Reversal Expired | 1999-08-13 |
Application Not Reinstated by Deadline | 1999-08-13 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 1998-08-13 |
Application Published (Open to Public Inspection) | 1998-02-14 |
All Requirements for Examination Determined Compliant | 1996-08-13 |
Request for Examination Requirements Determined Compliant | 1996-08-13 |
Abandonment Date | Reason | Reinstatement Date |
---|---|---|
1998-08-13 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
---|
YUNG-CHANG CHU |
YAO-CHING CHU |
Past Owners on Record |
---|
None |