US3264029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamping devices for cranes for rolling mill service
Assignee: Maschinenfabrik Eugen Bellmann GmbH
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Filing: 1964-09-14
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Granted: 1966-08-02
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Bellmann Friedhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:37
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/44; B66C1/48; B66C1/485; B21; B21C; B21C47/00; B21C47/24; B21C47/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A CLAMPING DEVICE ADAPTED TO BE SUSPENDED FROM A HOOK OF A CRANE COMPRISING IN COMBINATION: (A) A FIRST FRAME STRUCTURE ADAPTED TO BE COOPERATIVELY ENGAGED AND SUPPORTED BY THE HOOK OF A CRANE; (B) A SECOND FRAME STRUCTURE HAVING SUBSTANTIALLY THE SHAPE OF A C-CLAMP INCLUDING A PAIR OF CLAMPING JAWS, SAID PAIR INCLUDING AT LEAST ONE MOVABLE JAW; (C) A HYDRAULIC MOTOR FOR OPERARTING SAID MOVABLE JAW SUPPORTED BY SAID SECOND FRAME STRUCTURE; (D) A PRESSURE BOOSTER COMPRISING A PISTON AND A CYLINDER HYDRAULICALLY CONNECTED TO SAID HYDRAULIC MOTOR;
Claim 2
Dependent Claim
91 words
A CLAMPING DEVICE ADAPTED TO BE SUSPENDED FROM A HOOK OF A CRANE COMPRISING IN COMBINATION: (A) A FIRST FRAME STRUCTURE ADAPTED TO BE COOPERATIVELY ENGAGED AND SUPPORTED BY THE HOOK OF A CRANE; (B) A SECOND FRAME STRUCTURE HAVING SUBSTANTIALLY THE SHAPE OF A C-CLAMP INCLUDING A PAIR OF CLAMPING JAWS, SAID PAIR INCLUDING AT LEAST ONE MOVABLE JAW; (C) A HYDRAULIC MOTOR FOR OPERARTING SAID MOVABLE JAW SUPPORTED BY SAID SECOND FRAME STRUCTURE; (D) A PRESSURE BOOSTER COMPRISING A PISTON AND A CYLINDER HYDRAULICALLY CONNECTED TO SAID HYDRAULIC MOTOR;
References Cited (Backward Citations)
US2770380A
Cited
US2817450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |