Patent US3246713A successfully refreshed from Google Patents.
US3246713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Industrial truck
Assignee: Universal American Corp
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Filing: 1963-11-29
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Granted: 1966-04-19
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Walter S Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:46
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0612; B62B3/0625; B62B5/00; B62B5/06; B62B5/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN AN INDUSTRIAL TRUCK, THE COMBINATION COMPRISING A PLATFORM, FIRST WHEELED MEANS SUPPORTING THE AFT END OF SAID PLATFORM, SECOND WHEELED MEANS SUPPORTING THE FORE END OF SAID PLATFORM, MEANS INTERCONNECTING SAID PLATFORM AND SECOND WHEELED MEANS INCLUDING MEANS CARRIED BY SAID SECOND WHEELED MEANS AND PROVIDING A SET OF VERTICALLY EXTENDING ROLLER CONFINING TRACKS, A SET OF VERTICALLY SPACED ROLLERS CARRIED BY SAID PLATFORM AND ENGAGING CERTAIN OF SAID ROLLER CONFINING TRACKS SO AS TO SECURE SAID PLATFORM AND SECOND WHEELED MEANS AGAINST JACKKNIFING AND SO AS TO PROVIDE FOR MOVEMENT OF SAID PLATFORM AND SECOND WHEELED MEANS VERTICALLY RELATIVE TO EACH OTHER, MEANS FOR MOVING SAID PLATFORM AND SECOND WHEELED MEANS VERTICALLY RELATIVE TO EACH OTHER, AND A WHEELED DRIVE UNIT INCLUDING A SET OF VERTICALLY SPACED ROLLERS ENGAGED IN OTHERS OF SAID VERTICALLY EXTENDING ROLLER CONFINING TRACKS SO AS TO SECURE SAID DRIVE UNIT AND PLATFORM AGAINST JACKKNIFING AND SO AS TO PROVIDE FOR MOVEMENT OF SAID DRIVE UNIT AND PLATFORM VERTICALLY RELATIVE TO EACH OTHER, AND MEANS FOR PROPELLING AND STEERING SAID DRIVE UNIT WHEREBY TO MOVE SAID PLATFORM.
Claim 2
Dependent Claim
183 words
IN AN INDUSTRIAL TRUCK, THE COMBINATION COMPRISING A PLATFORM, FIRST WHEELED MEANS SUPPORTING THE AFT END OF SAID PLATFORM, SECOND WHEELED MEANS SUPPORTING THE FORE END OF SAID PLATFORM, MEANS INTERCONNECTING SAID PLATFORM AND SECOND WHEELED MEANS INCLUDING MEANS CARRIED BY SAID SECOND WHEELED MEANS AND PROVIDING A SET OF VERTICALLY EXTENDING ROLLER CONFINING TRACKS, A SET OF VERTICALLY SPACED ROLLERS CARRIED BY SAID PLATFORM AND ENGAGING CERTAIN OF SAID ROLLER CONFINING TRACKS SO AS TO SECURE SAID PLATFORM AND SECOND WHEELED MEANS AGAINST JACKKNIFING AND SO AS TO PROVIDE FOR MOVEMENT OF SAID PLATFORM AND SECOND WHEELED MEANS VERTICALLY RELATIVE TO EACH OTHER, MEANS FOR MOVING SAID PLATFORM AND SECOND WHEELED MEANS VERTICALLY RELATIVE TO EACH OTHER, AND A WHEELED DRIVE UNIT INCLUDING A SET OF VERTICALLY SPACED ROLLERS ENGAGED IN OTHERS OF SAID VERTICALLY EXTENDING ROLLER CONFINING TRACKS SO AS TO SECURE SAID DRIVE UNIT AND PLATFORM AGAINST JACKKNIFING AND SO AS TO PROVIDE FOR MOVEMENT OF SAID DRIVE UNIT AND PLATFORM VERTICALLY RELATIVE TO EACH OTHER, AND MEANS FOR PROPELLING AND STEERING SAID DRIVE UNIT WHEREBY TO MOVE SAID PLATFORM.
References Cited (Backward Citations)
US2661183A
Cited
US3183989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |