Patent US3246602A successfully refreshed from Google Patents.
US3246602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive cartridge with rigid closure means
Assignee: Gulf Oil Corp
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Filing: 1964-07-09
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Granted: 1966-04-19
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Expires: 1984-07-09
Abstract
No abstract record available.
Inventors
- 👤 Robert A Meredith
- 👤 Jr Kenneth A Craig
- 👤 Jr Bernard F Mcavoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:05
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A HOLLOW CYLINDRICAL CARTRIDGE HAVING ONE CLOSED END MALE COUPLING MEANS ON THE ONE CLOSED END THEREOF AND FEMALE COUPLING MEANS ON THE OPPOSITE END THEREOF FOR COUPLING TO LIKE CARTRIDGES INTO AN EXPLOSIVE TRAIN, THE IMPROVEMENT COMPRISING, A REDUCED THROAT SECTION DEFINING A TRUNCATED CONE TAPERING INWARDLY OF SAID CARTRIDGE TOWARD SAID CLOSED END HAVING SAID MALE COUPLING MEANS WITH SAID THROAT SECTION BEING REDUCED RELATIVE TO ADJACENT PORTIONS OF SAID CARTRIDGE AND SPACED FROM, BOTH, SAID CLOSED END AND SAID OPPOSITE END, SAID THROAT SECTION BEING SPACED FROM SAID OPPOSITE END A DISTANCE SUCH THAT SAID THROAT SECTION RECEIVES THE CLOSED END OF A COUPLED
Claim 2
Dependent Claim
108 words
IN A HOLLOW CYLINDRICAL CARTRIDGE HAVING ONE CLOSED END MALE COUPLING MEANS ON THE ONE CLOSED END THEREOF AND FEMALE COUPLING MEANS ON THE OPPOSITE END THEREOF FOR COUPLING TO LIKE CARTRIDGES INTO AN EXPLOSIVE TRAIN, THE IMPROVEMENT COMPRISING, A REDUCED THROAT SECTION DEFINING A TRUNCATED CONE TAPERING INWARDLY OF SAID CARTRIDGE TOWARD SAID CLOSED END HAVING SAID MALE COUPLING MEANS WITH SAID THROAT SECTION BEING REDUCED RELATIVE TO ADJACENT PORTIONS OF SAID CARTRIDGE AND SPACED FROM, BOTH, SAID CLOSED END AND SAID OPPOSITE END, SAID THROAT SECTION BEING SPACED FROM SAID OPPOSITE END A DISTANCE SUCH THAT SAID THROAT SECTION RECEIVES THE CLOSED END OF A COUPLED
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |