US3225852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction for earth movers and the like
Assignee: MRS Manufacturing CO
•
Filing: 1964-06-05
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Granted: 1965-12-28
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Lovel R Simmons
- 👤 Hollis H Travis
- 👤 James T Monk
- 👤 Andrew W Ogletree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:02
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/6454; E02F3/65; E02F3/651; E02F3/76; E02F3/80; E02F3/84; E02F3/844; E02F3/845; E02F9/00; E02F9/08; E02F9/0841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A MACHINE FOR MOVING EARTH AND THE LIKE COMPRISING A TRACTOR HAVING DRIVE WHEELS, A POWER SOURCE AND MEANS FOR DRIVING SAID DRIVE WHEELS FROM SAID POWER SOURCE, MEANS PROVIDING AN OPERATOR''S STATION ON SAID TRACTOR, A TRAILER HAVING FRONT AND REAR WHEELS, POWER MEANS ON SAID TRAILER FOR SELECTIVELY DRIVING SAID TRAILER REAR WHEELS, DRAFT MEANS INTERCONNECTING SAID TRAILER AND SAID TRACTOR FOR PULLING OF SAID TRAILER BY SAID TRACTOR, MEANS INTERCONNECTING THE REAR OF SAID TRACTOR AND THE FRONT OF SAID TRAILER AND OPERATIVE FOR TRANSFERRING AT LEAST A PART OF THE WEIGHT OF SAID TRAILER FROM SAID FRONT TO SAID REAR WHEELS THEREOF AND ALSO TO SAID DRIVE WHEELS OF SAID TRACTOR, AND CONTROL MEANS AT SAID OPERATOR''S STATION OF SAID TRACTOR OPERATIVELY CONNECTED TO SAID WEIGHT TRANSFER MEANS AND TO SAID TRAILER POWER MNEANS FOR SELECTIVELY OPERATING SAID WEIGHT TRANSFER MEANS AND SAID POWER MEANS, MEANS TO THE SPEED OF SAID MACHINE, AND MEANS OPERATIVELY CONNECTED TO SAID SPEED RESPONSE AUTOMATICALLY TO DEENERGIZE TRANSFER MEANS AND OPERABLE AUTOMATICALLY TO DEENERGIZE SAID WEIGHT TRANSFER MEANS WHEN SAID MACHINE REACHES A PREDETERMINED SPEED.
Claim 2
Dependent Claim
185 words
A MACHINE FOR MOVING EARTH AND THE LIKE COMPRISING A TRACTOR HAVING DRIVE WHEELS, A POWER SOURCE AND MEANS FOR DRIVING SAID DRIVE WHEELS FROM SAID POWER SOURCE, MEANS PROVIDING AN OPERATOR''S STATION ON SAID TRACTOR, A TRAILER HAVING FRONT AND REAR WHEELS, POWER MEANS ON SAID TRAILER FOR SELECTIVELY DRIVING SAID TRAILER REAR WHEELS, DRAFT MEANS INTERCONNECTING SAID TRAILER AND SAID TRACTOR FOR PULLING OF SAID TRAILER BY SAID TRACTOR, MEANS INTERCONNECTING THE REAR OF SAID TRACTOR AND THE FRONT OF SAID TRAILER AND OPERATIVE FOR TRANSFERRING AT LEAST A PART OF THE WEIGHT OF SAID TRAILER FROM SAID FRONT TO SAID REAR WHEELS THEREOF AND ALSO TO SAID DRIVE WHEELS OF SAID TRACTOR, AND CONTROL MEANS AT SAID OPERATOR''S STATION OF SAID TRACTOR OPERATIVELY CONNECTED TO SAID WEIGHT TRANSFER MEANS AND TO SAID TRAILER POWER MNEANS FOR SELECTIVELY OPERATING SAID WEIGHT TRANSFER MEANS AND SAID POWER MEANS, MEANS TO THE SPEED OF SAID MACHINE, AND MEANS OPERATIVELY CONNECTED TO SAID SPEED RESPONSE AUTOMATICALLY TO DEENERGIZE TRANSFER MEANS AND OPERABLE AUTOMATICALLY TO DEENERGIZE SAID WEIGHT TRANSFER MEANS WHEN SAID MACHINE REACHES A PREDETERMINED SPEED.
References Cited (Backward Citations)
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |