US3302810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-loading fork lift truck
Assignee: Individual
•
Filing: 1964-08-13
•
Granted: 1967-02-07
•
Expires: 1984-08-13
Abstract
No abstract record available.
Inventors
- 👤 Fred C Heidrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:26
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07563
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A FORK LIFT TRUCK, CAPABLE OF SELF-LOADING ONTO AND OFF OF THE BED OF A CARRIER, HAVING A FRAME, AN ENGINEPUMP MOUNTED ON THE FRAME, A TANK FOR CONTAINING HYDRAULIC FLUID MOUNTED ON THE FRAME AND CONNECTED TO THE ENGINE-PUMP, A MAST MOUNTED ON THE FRAME, AND A FORK LIFT UNIT HAVING FORK LIFT ARMS ATTACHED TO THE MAST, THE IMPROVEMENT COMPRISING ATTACHING MEANS FOR SECURING SAID FORK LIFT ARMS IN FIXED POSITION RELATIVE TO THE CARRIER; LIFTING MEAND ACTUATED BY FLUID FROM THE TANK FOR CAUSING THE FRAME TO BE MOVED RELATIVE TO THE FORK LIFT UNIT WHEN THE FORK LIFTS ARMS OF THE FORK LIFT UNIT ARE FIXED TO THE BED OF A CARRIER; ROTATION MEANS INCLUDING LINKAGES BETWEEN THE FORK LIFT ARMS AND THE MAST AND BETWEEN THE MAST AND THE FRAME ACTYATED BY FLUID FROM THE TANK FOR ROTATING THE FRAME AND MAST FROM A SUSPENDED POSITION ADJACENT THE CARRIER TO A RESTING POSITION ON THE CARRIER; AND MOUNTING MEANS FOR MAINTAINING THE ENGINE-PUMP OPERATING INDEPENDELTLY OF THE POSITION OF THE FRAME
Claim 2
Dependent Claim
177 words
IN A FORK LIFT TRUCK, CAPABLE OF SELF-LOADING ONTO AND OFF OF THE BED OF A CARRIER, HAVING A FRAME, AN ENGINEPUMP MOUNTED ON THE FRAME, A TANK FOR CONTAINING HYDRAULIC FLUID MOUNTED ON THE FRAME AND CONNECTED TO THE ENGINE-PUMP, A MAST MOUNTED ON THE FRAME, AND A FORK LIFT UNIT HAVING FORK LIFT ARMS ATTACHED TO THE MAST, THE IMPROVEMENT COMPRISING ATTACHING MEANS FOR SECURING SAID FORK LIFT ARMS IN FIXED POSITION RELATIVE TO THE CARRIER; LIFTING MEAND ACTUATED BY FLUID FROM THE TANK FOR CAUSING THE FRAME TO BE MOVED RELATIVE TO THE FORK LIFT UNIT WHEN THE FORK LIFTS ARMS OF THE FORK LIFT UNIT ARE FIXED TO THE BED OF A CARRIER; ROTATION MEANS INCLUDING LINKAGES BETWEEN THE FORK LIFT ARMS AND THE MAST AND BETWEEN THE MAST AND THE FRAME ACTYATED BY FLUID FROM THE TANK FOR ROTATING THE FRAME AND MAST FROM A SUSPENDED POSITION ADJACENT THE CARRIER TO A RESTING POSITION ON THE CARRIER; AND MOUNTING MEANS FOR MAINTAINING THE ENGINE-PUMP OPERATING INDEPENDELTLY OF THE POSITION OF THE FRAME
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |