Patent US3352189A successfully refreshed from Google Patents.
US3352189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive bolt
Assignee: Individual
•
Filing: 1966-04-29
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Granted: 1967-11-14
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Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 Karl R Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:11
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A GAS SEALED PROPELLING ARRANGEMENT COMPRISING A CYLINDRICAL HOUSING AND BOLT SEPARATED BY AN INTEGRAL WEB, SAID CYLINDRICAL HOUSING HAVING A LONGITUDINAL COAXIAL PARTIALLY THREADED BORE EXTENDING PARTIALLY THERETHROUGH, AN EXTERNALLY THREADED CYLINDRICAL PROPELLANT HOUSING ENCOMPASSED WITHIN THE CYLINDRICAL HOUSING AND SUITABLY CONTOURED SO AS TO BE COMPATIBLE WITH THE INTERNALLY THREADED SECTION OF THE CYLINDRICAL HOUSING, SAID PROPELLANT HOUSING HAVING A LONGITUDINAL COACIAL BORE EXTENDING THERETHROUGH WHICH TERMINATES INTO A HOLLOWED END, A CYLINDRICAL PLUNGER HAVING A REDUCED DIAMETER SECTION ENCOMPASSED WITHIN THE UNTHREADED SECTION OF THE CYLINDRICAL HOUSING, SAID CYLINDRICAL PLUNGER HAVING A HOLLOWED END ABUTTING THE HOLLOWED END OF THE PROPELLANT HOUSING SO AS TO FORM A WELL, THE OTHER END OF SAID CYLINDRICAL PLUNGER
Claim 2
Dependent Claim
118 words
A GAS SEALED PROPELLING ARRANGEMENT COMPRISING A CYLINDRICAL HOUSING AND BOLT SEPARATED BY AN INTEGRAL WEB, SAID CYLINDRICAL HOUSING HAVING A LONGITUDINAL COAXIAL PARTIALLY THREADED BORE EXTENDING PARTIALLY THERETHROUGH, AN EXTERNALLY THREADED CYLINDRICAL PROPELLANT HOUSING ENCOMPASSED WITHIN THE CYLINDRICAL HOUSING AND SUITABLY CONTOURED SO AS TO BE COMPATIBLE WITH THE INTERNALLY THREADED SECTION OF THE CYLINDRICAL HOUSING, SAID PROPELLANT HOUSING HAVING A LONGITUDINAL COACIAL BORE EXTENDING THERETHROUGH WHICH TERMINATES INTO A HOLLOWED END, A CYLINDRICAL PLUNGER HAVING A REDUCED DIAMETER SECTION ENCOMPASSED WITHIN THE UNTHREADED SECTION OF THE CYLINDRICAL HOUSING, SAID CYLINDRICAL PLUNGER HAVING A HOLLOWED END ABUTTING THE HOLLOWED END OF THE PROPELLANT HOUSING SO AS TO FORM A WELL, THE OTHER END OF SAID CYLINDRICAL PLUNGER
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |