US3272280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission and steering control mechanism for material handling vehicle
Assignee: DROTT Manufacturing CORP
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Filing: 1964-05-25
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Granted: 1966-09-13
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Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 John R Schuetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:58
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/02; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/308; E02F3/36; E02F3/42; E02F3/425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN COMBINATION WITH A VEHICLE HAVING A LOWER FRAME, A REVERSIBLE TRANSMISSION ON THE LOWER FRAME, STEERABLE WHEELS ON THE LOWER FRAME AND AN UPPER FRAME MOUNTED ON THE LOWER FRAME FOR PIVOTING ABOUT A VERTICAL AXIS, A CONTROL SYSTEM COMPRISING FIRST POWER MEANS ON THE LOWER FRAME CONNECTED TO THE TRANSMISSION TO REVERSE IT, A MANUALLY OPERABLE CONTROL FOR THE POWER MEANS MOUNTED ON THE UPPER FRAME, MEANS INCLUDING A FIRST REVERSING DEVICE CONNECTING THE CONTROL TO THE POWER MEANS, SECOND POWER MEANS MOUNTED ON THE LOWER FRAME AND CONNECTED TO THE STEERABLE WHEELS TO TURN THEM, A SECOND MANUALLY OPERABLE CONTROL FOR THE SECOND POWER MEANS MOUNTED ON THE UPPER FRAME, MEANS INCLUDING A SECOND REVERSING DEVICE CONNECTING THE SECOND CONTROL TO THE SECOND POWER MEANS, AND MEANS OPERATIVELY CONNECTING THE FIRST AND SECOND REVERSING DEVICES FOR SIMULTANEOUS OPERATION.
Claim 2
Dependent Claim
141 words
IN COMBINATION WITH A VEHICLE HAVING A LOWER FRAME, A REVERSIBLE TRANSMISSION ON THE LOWER FRAME, STEERABLE WHEELS ON THE LOWER FRAME AND AN UPPER FRAME MOUNTED ON THE LOWER FRAME FOR PIVOTING ABOUT A VERTICAL AXIS, A CONTROL SYSTEM COMPRISING FIRST POWER MEANS ON THE LOWER FRAME CONNECTED TO THE TRANSMISSION TO REVERSE IT, A MANUALLY OPERABLE CONTROL FOR THE POWER MEANS MOUNTED ON THE UPPER FRAME, MEANS INCLUDING A FIRST REVERSING DEVICE CONNECTING THE CONTROL TO THE POWER MEANS, SECOND POWER MEANS MOUNTED ON THE LOWER FRAME AND CONNECTED TO THE STEERABLE WHEELS TO TURN THEM, A SECOND MANUALLY OPERABLE CONTROL FOR THE SECOND POWER MEANS MOUNTED ON THE UPPER FRAME, MEANS INCLUDING A SECOND REVERSING DEVICE CONNECTING THE SECOND CONTROL TO THE SECOND POWER MEANS, AND MEANS OPERATIVELY CONNECTING THE FIRST AND SECOND REVERSING DEVICES FOR SIMULTANEOUS OPERATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |