US3094944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tow truck system
Assignee: SI Handling Systems Inc
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Filing: 1961-11-06
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Granted: 1963-06-25
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Bradt Lynn
- 👤 John G Dorrance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:51
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A TOW TRUCK SYSTEM COMPRISING MEANS DEFINING A MAIN SLOT, A TRUCK MOUNTED FOR MOVEMENT ALONG SAID MAIN SLOT BY MEANS OF ENGAGEMENT BETWEEN A TOW PIN ON SAID TRUCK AND A PORTION OF A DRAGLINE, THE DIRECTION OF SAID DRAGLINE CORRESPONDING TO THE DIRECTION OF SAID MAIN SLOT, A MOVABLY MOUNTED ACCUMULATION BUMPER ON SAID TRUCK, A REAR BUMPER, MEANS SUPPORTING SAID REAR BUMPER ON SAID TRUCK SO THAT SAID REAR BUMPER HAS AN OPERATIVE DISPOSITION WHEREIN IT MAY CAUSE ACCUMULATION OF OTHER ACCUMULATION OF OTHER TRUCKS, AND MEANS STRUCTURALLY INTERCONNECTING SAID ACCUMULATION BUMPER WITH SAID REAR BUMPER ON SAID TRUCK SO THAT SAID REAR BUMPER IS MOVED TO AN OPERATIVE DISPOSITION IN RESPONSE TO MOVEMENT OF SAID ACCUMULATION BUMPER.
Claim 2
Dependent Claim
121 words
A TOW TRUCK SYSTEM COMPRISING MEANS DEFINING A MAIN SLOT, A TRUCK MOUNTED FOR MOVEMENT ALONG SAID MAIN SLOT BY MEANS OF ENGAGEMENT BETWEEN A TOW PIN ON SAID TRUCK AND A PORTION OF A DRAGLINE, THE DIRECTION OF SAID DRAGLINE CORRESPONDING TO THE DIRECTION OF SAID MAIN SLOT, A MOVABLY MOUNTED ACCUMULATION BUMPER ON SAID TRUCK, A REAR BUMPER, MEANS SUPPORTING SAID REAR BUMPER ON SAID TRUCK SO THAT SAID REAR BUMPER HAS AN OPERATIVE DISPOSITION WHEREIN IT MAY CAUSE ACCUMULATION OF OTHER ACCUMULATION OF OTHER TRUCKS, AND MEANS STRUCTURALLY INTERCONNECTING SAID ACCUMULATION BUMPER WITH SAID REAR BUMPER ON SAID TRUCK SO THAT SAID REAR BUMPER IS MOVED TO AN OPERATIVE DISPOSITION IN RESPONSE TO MOVEMENT OF SAID ACCUMULATION BUMPER.
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) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |