Patent US3587678A successfully refreshed from Google Patents.
US3587678A
Expired / Lapsed
US
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Flight-refueling receptacle having pressure-inertia release valve
Assignee: Schulz Tool and Manufacturing Co
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Filing: 1968-04-01
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Granted: 1971-06-28
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Expires: 1988-04-01
Abstract
Abstract IN A RECEPTACLE FOR THE NOZZLE OF AN INFLIGHT REFUELING SUPPLY LINE, A PRESSURE ACTUATOR, THE PRESSURE ACTUATOR HAVING RELIEF VALVE MEANS TO PERMIT RAPID EMERGENCY DISCONNECTION OF THE NOZZLE FROM THE RECEPTACLE BY THE RELEASE OF A LOCK BY A LESSER BUT HIGHLY ACCELERATED EXTERNAL FORCE ON THE LOCK THAN BY A GRADUALLY INCREASED APPLIED EXTERNAL FORCE ON THE LOCK REQUIRED FOR UNLOCKING AND DISCONNECTION.
Inventors
- 👤 Ellsworth E Hieber
- 👤 Thomas P Taquino
- 👤 Frank Edward Hillery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:08
CPC Classifications
B; B64; B64D; B64D39/00; B64D39/06
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |