US3181889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer clearance device
Assignee: Volvo White Truck Corp
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Filing: 1962-06-04
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Granted: 1965-05-04
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Bert C Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:27
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/08; B62D53/0807; B62D53/0814
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
IN A HIGHWAY TRACTOR TRAILER ASSEMBLY A FIFTH WHEEL CONSTRUCTION COMPRISING: (A) A FIFTH WHEEL SLIDABLY MOUNTED ON THE TRACTOR FOR LONGITUDINALLY RECIPROCAL MOVEMENT; (B) POWER MEANS INTERPOSED BETWEEN THE TRACTOR AND THE FIFTH WHEEL FOR SELECTIVELY CAUSING RELATIVE RECIPROCATION; (C) A POWER MEANS CONTROL MOUNTED ON THE TRACTOR AND CONTROLLABLY CONNECTED TO THE POWER MEANS; AND, (D) SENSING MEANS SECURED TO THE FIFTH WHEEL AND CONNECTED TO THE TRAILER AND THE CONTROL FOR ACTUATING THE CONTROL AND THEREBY ACTUATING THE POWER MEANS TO CAUSE RELATIVE RECIPROCATION BETWEEN THE FIFTH WHEEL AND THE TRACTOR WHENEVER PREDETERMINED RELATIVE MOVEMENT OF THE TRACTOR AND TRAILER OCCURS.
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) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |