US3076644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workholder
Assignee: WIEDEMANN MACHINE CO
•
Filing: 1959-08-12
•
Granted: 1963-02-05
•
Expires: 1979-08-12
Abstract
No abstract record available.
Inventors
- 👤 Friedland Martin
- 👤 Frederick W Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:13
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A WORKHOLDER, A SLIDING GUIDE, A THRUSTER MOUNTED ON THE GUIDE, A FORWARDLY AND BACKWARDLY MOVING CARRIAGE SLIDABLE ON THE SLIDING GUIDE, PIVOTED JAW MEANS ON THE FORWARD END OF THE CARRIAGE, AND CAM MEANS ON THE FORWARD END OF THE CARRIAGE ACTING ON THE JAW MEANS, SAID CAM MEANS BEING INTERCONNECTED WITH THE THRUSTER, THE CAM MEANS ACTING ON THE CARRIAGE TO MOVE THE CARRIAGE FORWARD AND THEN ON THE JAW MEANS TO CLOSE THE JAW MEANS, AND IN RETRACTION ACTING ON THE JAW MEANS TO OPEN THE JAW MEANS AND THEN ACTING ON THE CARRIAGE TO RETRACT THE CARRIAGE.
Claim 2
Dependent Claim
102 words
IN A WORKHOLDER, A SLIDING GUIDE, A THRUSTER MOUNTED ON THE GUIDE, A FORWARDLY AND BACKWARDLY MOVING CARRIAGE SLIDABLE ON THE SLIDING GUIDE, PIVOTED JAW MEANS ON THE FORWARD END OF THE CARRIAGE, AND CAM MEANS ON THE FORWARD END OF THE CARRIAGE ACTING ON THE JAW MEANS, SAID CAM MEANS BEING INTERCONNECTED WITH THE THRUSTER, THE CAM MEANS ACTING ON THE CARRIAGE TO MOVE THE CARRIAGE FORWARD AND THEN ON THE JAW MEANS TO CLOSE THE JAW MEANS, AND IN RETRACTION ACTING ON THE JAW MEANS TO OPEN THE JAW MEANS AND THEN ACTING ON THE CARRIAGE TO RETRACT THE CARRIAGE.
References Cited (Backward Citations)
US1110175A
Cited
US2288023A
Cited
US2297950A
Cited
US2341602A
Cited
US2398658A
Cited
GB593969A
Cited
US2665603A
Cited
US2850931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |