Patent US3122249A successfully refreshed from Google Patents.
US3122249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container lifting equipment
Assignee: Dempster Systems Inc
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Filing: 1959-08-24
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Granted: 1964-02-25
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Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 George R Dempster
- 👤 William A Herpich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:56
CPC Classifications
B; B65; B65F; B65F3/00; B65F3/02; B65F3/04; B65F3/041; B65F3/046; B60; B60P; B60P1/00; B60P1/48; B60P1/50; B65F1/00; B65F1/12; B65F1/122; B65F1/0033; B65F2001/0086; B65F2003/0263; B65F2003/0279
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A FRONT END LOADER OF THE CHARACTER DESCRIBED, THE COMBINATION WITH A MOTOR VEHICLE HAVING A BODY THEREON, OF A LIFTING ARM STRUCTURE OPERATIVELY MOUNTED ON THE MOTOR VEHICLE FOR RAISING AND LOWERING MOVEMENTS WITH RESPECT THERETO, A CROSS MEMBER CARRIED BY THE LIFTING ARM STRUCTURE AT THE FRONT OF THE MOTOR VEHICLE IN THE LOWERED POSITION OF THE LIFTING ARM STRUCTURE, ONE OR MORE CONTAINERS DISPOSED SUBSTANTIALLY IN ABUTTING RELATION WITH THE CROSS MEMBER, FORK ARMS OPERATIVELY CONNECTED WITH THE LIFTING ARM STRUCTURE AND EXTENDING OUTWARDLY FROM THE CROSS MEMBER IN EMBRACING RELATION WITH THE CONTAINERS, A LOCKING MEMBER EXTENDING TRANSVERSELY OF THE CONTAINERS ON THE OPPOSITE SIDE THEREOF FROM THE CROSS MEMBER, SAID LOCKING MEMBER HAVING BRACKET STRUCTURES ON OPPOSITE ENDS THEREOF SLIDABLY RECEIVING THE FORK ARMS THERETHROUGH FOR HOLDING THE CONTAINERS IN PLACE DURING RAISING MOVEMENT TO DUMPING POSITIONS WITH RESPECT TO THE BODY.
Claim 2
Dependent Claim
148 words
IN A FRONT END LOADER OF THE CHARACTER DESCRIBED, THE COMBINATION WITH A MOTOR VEHICLE HAVING A BODY THEREON, OF A LIFTING ARM STRUCTURE OPERATIVELY MOUNTED ON THE MOTOR VEHICLE FOR RAISING AND LOWERING MOVEMENTS WITH RESPECT THERETO, A CROSS MEMBER CARRIED BY THE LIFTING ARM STRUCTURE AT THE FRONT OF THE MOTOR VEHICLE IN THE LOWERED POSITION OF THE LIFTING ARM STRUCTURE, ONE OR MORE CONTAINERS DISPOSED SUBSTANTIALLY IN ABUTTING RELATION WITH THE CROSS MEMBER, FORK ARMS OPERATIVELY CONNECTED WITH THE LIFTING ARM STRUCTURE AND EXTENDING OUTWARDLY FROM THE CROSS MEMBER IN EMBRACING RELATION WITH THE CONTAINERS, A LOCKING MEMBER EXTENDING TRANSVERSELY OF THE CONTAINERS ON THE OPPOSITE SIDE THEREOF FROM THE CROSS MEMBER, SAID LOCKING MEMBER HAVING BRACKET STRUCTURES ON OPPOSITE ENDS THEREOF SLIDABLY RECEIVING THE FORK ARMS THERETHROUGH FOR HOLDING THE CONTAINERS IN PLACE DURING RAISING MOVEMENT TO DUMPING POSITIONS WITH RESPECT TO THE BODY.
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |