Patent US3074344A successfully refreshed from Google Patents.
US3074344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shotgun shell having a divided charge adapted to explode in bursts
Assignee: Individual
•
Filing: 1960-02-18
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Granted: 1963-01-22
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Expires: 1980-02-18
Abstract
No abstract record available.
Inventors
- 👤 Devaux Raymond Henri Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:46
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/08; F42B7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A CARTRIDGE COMPRISING AN OUTER CASING HAVING A BREECH CLOSURE, A SOLE EXPLOSIVE CHARGE LOCATED WITHIN THE BREECH END OF SAID CASING, A PROJECTILE CHARGE DIVIDED INTO A PLURALITY OF DISTINCT INDIVIDUAL CHARGES POSITIONED END TO END IN AXIAL ALIGNMENT WITH SAID BREECH CLOSURE AND EXPLOSIVE CHARGE, CONTAINER MEANS IN SAID CASING WITHIN WHICH SAID PROJECTILE CHARGE IS ENCLOSED, SAID CONTAINER MEANS BEING SEPARABLE AS A UNIT FROM SAID CASING SO AS TO BE PROJECTED WHOLE THEREFROM UPON EXPLOSION OF SAID EXPLOSIVE CHARGE, AND MEANS FOR IMPARTING A DIFFERENT ROTATIONAL FORCE TO EACH INDIVIDUAL PROJECTILE CHARGE WHILE SAID CONTAINER MEANS IS IN FLIGHT SO AS TO CAUSE A SEPARATION OF SAID INDIVIDUAL PROJECTILE CHARGES FROM EACH OTHER AT A SUITABLE DISTANCE FROM THE MOUTH OF THE WEAPON FROM WHICH SAID CARTRIDGE IS FIRED.
Claim 2
Dependent Claim
133 words
A CARTRIDGE COMPRISING AN OUTER CASING HAVING A BREECH CLOSURE, A SOLE EXPLOSIVE CHARGE LOCATED WITHIN THE BREECH END OF SAID CASING, A PROJECTILE CHARGE DIVIDED INTO A PLURALITY OF DISTINCT INDIVIDUAL CHARGES POSITIONED END TO END IN AXIAL ALIGNMENT WITH SAID BREECH CLOSURE AND EXPLOSIVE CHARGE, CONTAINER MEANS IN SAID CASING WITHIN WHICH SAID PROJECTILE CHARGE IS ENCLOSED, SAID CONTAINER MEANS BEING SEPARABLE AS A UNIT FROM SAID CASING SO AS TO BE PROJECTED WHOLE THEREFROM UPON EXPLOSION OF SAID EXPLOSIVE CHARGE, AND MEANS FOR IMPARTING A DIFFERENT ROTATIONAL FORCE TO EACH INDIVIDUAL PROJECTILE CHARGE WHILE SAID CONTAINER MEANS IS IN FLIGHT SO AS TO CAUSE A SEPARATION OF SAID INDIVIDUAL PROJECTILE CHARGES FROM EACH OTHER AT A SUITABLE DISTANCE FROM THE MOUTH OF THE WEAPON FROM WHICH SAID CARTRIDGE IS FIRED.
References Cited (Backward Citations)
DE72702C
Cited
DE54020C
Cited
DE108507C
Cited
US151327A
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US395897A
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US694896A
Cited
US1066525A
Cited
DE270647C
Cited
FR562499A
Cited
US2759420A
Cited
FR1183228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |