Patent US3206040A successfully refreshed from Google Patents.
US3206040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tiffany, jr press.unloader
Assignee: —
•
Filing: —
•
Granted: 1965-09-14
•
Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:25
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/32; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A MATERIAL HANDLING DEVICE HAVING A JAW ARM MOVABLE FROM A NORMAL LOWERED RETRACTED POSITION RELATIVE TO A PRESS TO A RAISED EXTENDED POSITION, CAM TRACK MEANS GUIDING MOVEMENT OF SAID JAW ARM AND HAVING A SUBSTANTIALLY HORIZONTALLY EXTENDING TERMINAL PORTION, CAM MEANS MOVABLY SUPPORTING SAID JAW ARM FOR MOVEMENT BETWEEN SAID RETRACTED POSITION AND SAID EXTENDED POSITION, POWER MEANS FOR ACTUATING SAID JAW ARM FROM SAID LOWERED RETRACTED POSITION TO SAID RAISED EXTENDED POSITION, ENERGY STORAGE MEANS OPERATIVE POSITION SAID EXTENDED SAID JAW ARM FROM SAID RETRACTED POSITION TO SAID EXTENDE POSITION AND CONDITIONED THEREBY, AND SAID ENERGY STORAGE MEANS BEING OPERATIVE TO INITIATE MOVEMETN OF SAID JAW ARM FROM SAID RAISED EXTENDED POSITION TO A POINT WHERE THE FORCE OF GRAVITY WILL BE OPERATIVE UPON SAID JAW ARM TO MVOE SAID JAW ARM FROM SAID EXTENDED POSITION TO SAID RETRACTED POSITION WITHOUT USE OF ADDITIONAL POWER MEANS.
Claim 2
Dependent Claim
150 words
IN A MATERIAL HANDLING DEVICE HAVING A JAW ARM MOVABLE FROM A NORMAL LOWERED RETRACTED POSITION RELATIVE TO A PRESS TO A RAISED EXTENDED POSITION, CAM TRACK MEANS GUIDING MOVEMENT OF SAID JAW ARM AND HAVING A SUBSTANTIALLY HORIZONTALLY EXTENDING TERMINAL PORTION, CAM MEANS MOVABLY SUPPORTING SAID JAW ARM FOR MOVEMENT BETWEEN SAID RETRACTED POSITION AND SAID EXTENDED POSITION, POWER MEANS FOR ACTUATING SAID JAW ARM FROM SAID LOWERED RETRACTED POSITION TO SAID RAISED EXTENDED POSITION, ENERGY STORAGE MEANS OPERATIVE POSITION SAID EXTENDED SAID JAW ARM FROM SAID RETRACTED POSITION TO SAID EXTENDE POSITION AND CONDITIONED THEREBY, AND SAID ENERGY STORAGE MEANS BEING OPERATIVE TO INITIATE MOVEMETN OF SAID JAW ARM FROM SAID RAISED EXTENDED POSITION TO A POINT WHERE THE FORCE OF GRAVITY WILL BE OPERATIVE UPON SAID JAW ARM TO MVOE SAID JAW ARM FROM SAID EXTENDED POSITION TO SAID RETRACTED POSITION WITHOUT USE OF ADDITIONAL POWER MEANS.
References Cited (Backward Citations)
US2677342A
Cited
US2943748A
Cited
US3040685A
Cited
US1296818A
Cited
US2609776A
Cited
US2646897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |