Patent US3272552A successfully refreshed from Google Patents.
US3272552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch and tailgate operating mechanism for truck bodies
Assignee: Heil Co
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Filing: 1964-01-15
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Granted: 1966-09-13
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Glenn S Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:28
CPC Classifications
B; B65; B65F; B65F3/00; B62; B62D; B62D33/00; B62D33/02; B62D33/023; B62D33/027; B62D33/0273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION WITH A TRUCK BODY HAVING MOUNTED THEREON A PIVOTAL TAILGATE AND A PIVOTAL TAILGATE LATCH: A LEVER INTERMEDIATELY PIVOTALLY MOUNTED ON SAID BODY TO ROCK IN A VERTICAL PLANE, MECHANICAL CONNECTIONS EXTENDING FROM ONE END PORTION OF SAID LEVER TO THE LATCH FOR ACTUATING THE LATTER, AN HYDRAULIC JACK PIVOTALLY CARRIED BY THE OTHER END PORTION OF SAID LEVER AND EXTENDING TO AND ENGAGING THE TAILGATE, AND STOP MEANS RIGIDLY MOUNTED ON THE BODY FOR LIMITING THE ROCKING MOVEMENT OF SAID LEVER IN ONE DIRECTION DURING WHICH MOVEMENT THE MECHANICAL CONNECTIONS ACTUATE THE LATCH FOLLOWING WHICH THE JACK EXTENDS TO PIVOT THE TAILGATE.
Claim 2
Dependent Claim
105 words
IN COMBINATION WITH A TRUCK BODY HAVING MOUNTED THEREON A PIVOTAL TAILGATE AND A PIVOTAL TAILGATE LATCH: A LEVER INTERMEDIATELY PIVOTALLY MOUNTED ON SAID BODY TO ROCK IN A VERTICAL PLANE, MECHANICAL CONNECTIONS EXTENDING FROM ONE END PORTION OF SAID LEVER TO THE LATCH FOR ACTUATING THE LATTER, AN HYDRAULIC JACK PIVOTALLY CARRIED BY THE OTHER END PORTION OF SAID LEVER AND EXTENDING TO AND ENGAGING THE TAILGATE, AND STOP MEANS RIGIDLY MOUNTED ON THE BODY FOR LIMITING THE ROCKING MOVEMENT OF SAID LEVER IN ONE DIRECTION DURING WHICH MOVEMENT THE MECHANICAL CONNECTIONS ACTUATE THE LATCH FOLLOWING WHICH THE JACK EXTENDS TO PIVOT THE TAILGATE.
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 |