Patent US3199288A successfully refreshed from Google Patents.
US3199288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosively actuated piston driver
Assignee: Individual
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Filing: 1963-03-20
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Granted: 1965-08-10
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Expires: 1983-03-20
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Nahas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:04
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A PISTON DRIVER AND ACTUATOR ASSEMBLY WHICH INCLUDES A PISTON SLIDABLY ENGAGING A HOUSING AND HAVING EXPLOSIVE CHARGE MEANS ADJACENT ONE END OF SAID PISTON FOR DRIVING SAID PISTON RELATIVE TO SAID HOUSING UPON ENERGIZATION THEREOF THE IMPROVEMENT COMPRISING SPRING MEANS MOUNTED WITHIN SAID HOUSING AND ABUTTING A TAPERED PORTION OF THE OTHER END OF SAID PISTON BEFORE FIRING, SAID SPRING MEANS BEING FLEXIBLE OUTWARD FROM SAID HOUSING AND COMPRESSIBLE NORMAL TO THE AXIS OF SAID PISTON DUE TO THE RELATIVE MOVEMENT BETWEEN SAID TAPERED PORTION AND SAID SPRING MEANS UPON FIRING OF SAID PISTON FOR GRIPPING SAID PISTON WHEREBY SAID PISTON WILL NOT RETURN TO ITS UNFIRED CONDITION.
Claim 2
Dependent Claim
110 words
IN A PISTON DRIVER AND ACTUATOR ASSEMBLY WHICH INCLUDES A PISTON SLIDABLY ENGAGING A HOUSING AND HAVING EXPLOSIVE CHARGE MEANS ADJACENT ONE END OF SAID PISTON FOR DRIVING SAID PISTON RELATIVE TO SAID HOUSING UPON ENERGIZATION THEREOF THE IMPROVEMENT COMPRISING SPRING MEANS MOUNTED WITHIN SAID HOUSING AND ABUTTING A TAPERED PORTION OF THE OTHER END OF SAID PISTON BEFORE FIRING, SAID SPRING MEANS BEING FLEXIBLE OUTWARD FROM SAID HOUSING AND COMPRESSIBLE NORMAL TO THE AXIS OF SAID PISTON DUE TO THE RELATIVE MOVEMENT BETWEEN SAID TAPERED PORTION AND SAID SPRING MEANS UPON FIRING OF SAID PISTON FOR GRIPPING SAID PISTON WHEREBY SAID PISTON WILL NOT RETURN TO ITS UNFIRED CONDITION.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |