US3188956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot gun cartridge
Assignee: Individual
•
Filing: 1961-10-09
•
Granted: 1965-06-15
•
Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Hellis Stuart Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:41
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/06; F42B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A CARTRIDGE INCLUDING A CASING HAVING A SUBSTANTIAL LY CYLINDRICAL CASING WALL CLOSED AT ONE END BY A BASE, A PRIMER POCKET IN SAID BASE, A BATTERY CUP PRIMER DISPOSED IN SAID PRIMER POCKET, A PLURALITY OF ALTERNATING THICK AND THIN MATING TRIANGULAR PORTIONS IN SAID CASING WALL AT THE MOUTH END THEREOF, SAID PORTIONS FORMING A CLOSURE SURFACE ACROSS SAID CASING AND A WAD, A PROPELLANT AND A SHOT CHARGE DISPOSED WITHIN THE CASING.
Claim 2
Dependent Claim
75 words
A CARTRIDGE INCLUDING A CASING HAVING A SUBSTANTIAL LY CYLINDRICAL CASING WALL CLOSED AT ONE END BY A BASE, A PRIMER POCKET IN SAID BASE, A BATTERY CUP PRIMER DISPOSED IN SAID PRIMER POCKET, A PLURALITY OF ALTERNATING THICK AND THIN MATING TRIANGULAR PORTIONS IN SAID CASING WALL AT THE MOUTH END THEREOF, SAID PORTIONS FORMING A CLOSURE SURFACE ACROSS SAID CASING AND A WAD, A PROPELLANT AND A SHOT CHARGE DISPOSED WITHIN THE CASING.
References Cited (Backward Citations)
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US2387665A
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GB735061A
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FR1063782A
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |