US3579696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dockboard
Assignee: ABON Corp A DE CORP
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Filing: 1968-12-30
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Granted: 1971-05-25
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Expires: 1988-12-30
Abstract
Abstract A DOCKBOARD ASSEMBLY INCLUDING A RAMP PIVOTALLY CONNECTED TO A SUPPORT MEANS AND BIASING MEANS URGING THE RAMP TO PIVOT UPWARDLY. A RESEASABLE HOLDING MEANS ACTS IN OPPOSITION TO THE BIASING MEANS FOR RESTRAINING THE IASING MEANS FROM RAISING THE RAMP. A LIP IS PIVOTALLY CONNECTED TO THE RAMP FOR PIVOTAL MOVEMENT BETWEEN AN EXTENDED POSITION AND A PENDENT POSITION. THE IMPROVEMENT IS TO INCLUDE A CONTROL MEANS RESPONSIVE TO THE PIVOTAL MOVEMENT OF THE LIP FOR RELEASING THE HOUSING MEANS SO THAT THE RAMP WILL AUTOMATICALLY PIVOT UPWARDLY.
Inventors
- 👤 Robert W Hecker Jr
- 👤 Robert C Beckwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:34
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/28; B65G69/2805; B65G69/2811; B65G69/2835; B65G69/2841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |