US3437039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicharge cartridge for multibarrel automatic guns
Assignee: United States Department of the Army
•
Filing: 1962-03-07
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Granted: 1969-04-08
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Herman F Hawthorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:32
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/03; F41; F41A; F41A9/00; F41A9/38; F41A9/46; Y; Y10; Y10S; Y10S102/00; Y10S102/703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A CARTRIDGE FOR AN OPEN CHAMBER GUN COMPRISING A BODY OF GENERALLY EQUILATERAL TRIANGULAR CONFIGURATION, A PLURALITY OF PROJECTILES AND ASSOCIATED PROPELLANT CHARGES RADICALLY SPACED ABOUT THE LONGITUDINAL AXIS OF SAID BODY, A PERCUSSION TYPE PRIMER DISPOSED IN THE REAR END OF SAID BODY AND SPACED REARWARDLY FROM SAID PROPELLANT CHARGES THEREIN, AND A PLURALITY OF PRIMER CORDS EACH EXTENDING FROM THE INTERIOR OF SAID PRIMER INTO CONTACT WITH ONE OF SAID PROPELLANT CHARGES, SAID PRIMER CORDS EACH HAVING A DIFFERENT PREDETERMINED BURNING TIME DESIGNED TO DISCHARGE SAID PROJECTILES AT SUCCESSIVE INTERVALS.
Claim 2
Dependent Claim
92 words
A CARTRIDGE FOR AN OPEN CHAMBER GUN COMPRISING A BODY OF GENERALLY EQUILATERAL TRIANGULAR CONFIGURATION, A PLURALITY OF PROJECTILES AND ASSOCIATED PROPELLANT CHARGES RADICALLY SPACED ABOUT THE LONGITUDINAL AXIS OF SAID BODY, A PERCUSSION TYPE PRIMER DISPOSED IN THE REAR END OF SAID BODY AND SPACED REARWARDLY FROM SAID PROPELLANT CHARGES THEREIN, AND A PLURALITY OF PRIMER CORDS EACH EXTENDING FROM THE INTERIOR OF SAID PRIMER INTO CONTACT WITH ONE OF SAID PROPELLANT CHARGES, SAID PRIMER CORDS EACH HAVING A DIFFERENT PREDETERMINED BURNING TIME DESIGNED TO DISCHARGE SAID PROJECTILES AT SUCCESSIVE INTERVALS.
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |