US3147003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast action c-clamp
Assignee: Individual
•
Filing: 1961-11-22
•
Granted: 1964-09-01
•
Expires: 1981-11-22
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:48
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/10; B25B5/101; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/936; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44496; Y10T24/44504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A FAST ACTION CLAMP COMPRISING A PAIR OF CLAMP MEMBERS, AN ANVIL ON ONE OF SAID MEMBERS, AN OPENING IN THE OTHER MEMBER IN LINE WITH THE ANVIL, A SCREW SLIDINGLY ASSOCIATED WITH THE OTHER MEMBER AND LOCATED IN THE OPENING THEREOF FOR FREE MOTION TOWARD AND FROM SAID ANVIL, A NUT ON SAID SCREW, MEANS ON ONE MEMBER FOR APPLYING CLAMPING PRESSURE TO THE OTHER OF SAID PAIR OF CLAMP MEMBERS, MEANS FORMING A PRESSURE POINT ON SAID OTHER CLAMP MEMBER ADJACENT THE OPENING THEREIN, SAID PRESSURE POINT MEANS BEING APPLIED TO SAID NUT WHEN ENGAGED THEREWITH FOR CRAMPING SAID NUT RELATIVE TO SAID SCREW AND LOCKING THE NUT AND THE SCREW TOGETHER IN CLAMPING POSITION OF THE ANVIL AND SCREW, AND MEANS MAINTAINING SAID NUT IN OPERATIVE POSITION TO MOVE SAID SCREW BY ROTATION OF THE NUT WHEN THE PRESSURE POINT MEANS IS NOT APPLIED TO THE NUT.
Claim 2
Dependent Claim
150 words
A FAST ACTION CLAMP COMPRISING A PAIR OF CLAMP MEMBERS, AN ANVIL ON ONE OF SAID MEMBERS, AN OPENING IN THE OTHER MEMBER IN LINE WITH THE ANVIL, A SCREW SLIDINGLY ASSOCIATED WITH THE OTHER MEMBER AND LOCATED IN THE OPENING THEREOF FOR FREE MOTION TOWARD AND FROM SAID ANVIL, A NUT ON SAID SCREW, MEANS ON ONE MEMBER FOR APPLYING CLAMPING PRESSURE TO THE OTHER OF SAID PAIR OF CLAMP MEMBERS, MEANS FORMING A PRESSURE POINT ON SAID OTHER CLAMP MEMBER ADJACENT THE OPENING THEREIN, SAID PRESSURE POINT MEANS BEING APPLIED TO SAID NUT WHEN ENGAGED THEREWITH FOR CRAMPING SAID NUT RELATIVE TO SAID SCREW AND LOCKING THE NUT AND THE SCREW TOGETHER IN CLAMPING POSITION OF THE ANVIL AND SCREW, AND MEANS MAINTAINING SAID NUT IN OPERATIVE POSITION TO MOVE SAID SCREW BY ROTATION OF THE NUT WHEN THE PRESSURE POINT MEANS IS NOT APPLIED TO THE NUT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |