US3103884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge for more nearly uniform projectile velocities
Assignee: Individual
•
Filing: 1962-03-16
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Granted: 1963-09-17
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Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas Q Ciccone
- 👤 John J Scanlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:08
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/0838; F42B; F42B5/00; F42B5/02; F42B5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A .50 CALIBER TO 20 MILLIMETER CARTRIDGE HAVING A PRIMER AND PROPELLING CARGE THE COMBINATION THEREWITH OF THE IMPROVEMENT FOR LOWERING THE DIFFERENCE IN MUZZLE VELOCITY OF A PROJECTILE FIRED BY SAID CARTRIDGE AT -65*F. AND AT +165*F. SAID IMPROVEMENT INCLUDING ABOUT 2 GRAINS OF LEAD AZIDE (PB2N6) ADJACENT THE PRIMER, ABOUT 2 GRAINS OF PETN IN FRONT OF THE LEAD AZIDE, AND A PROPELLANT IGNITER EXTENDING LONGITUDINALLY AND AXIALLY OF THE CARTRIDGE AND PROPELLANT, SAID IGNITER COMPRISING A LEAD SHEATH HAVING AN OUTSIDE DIAMETER OF ABOUT .073 INCH AND A WEIGHT OF ABOUT 99.2 GRAINS OF LEAD PER FOOT, AND WITHIN SAID SHEATH ABOUT 2.0 GRAINS OF PETN PER FOOT AND ABOUT 6.0 GRAINS OF ALUMINUM BARIUM PEROXIDE (ALBAO2) PER FOOT, WHEREBY THE DIFFERENC IN MUZZLE VELOCITY FOR A STANDARD PRIOR CARTRIDGE OF A STATED SIZE UNDER AN AMBIENT TEMPERATURE OF -65*F. AND ALSO
Claim 2
Dependent Claim
146 words
IN A .50 CALIBER TO 20 MILLIMETER CARTRIDGE HAVING A PRIMER AND PROPELLING CARGE THE COMBINATION THEREWITH OF THE IMPROVEMENT FOR LOWERING THE DIFFERENCE IN MUZZLE VELOCITY OF A PROJECTILE FIRED BY SAID CARTRIDGE AT -65*F. AND AT +165*F. SAID IMPROVEMENT INCLUDING ABOUT 2 GRAINS OF LEAD AZIDE (PB2N6) ADJACENT THE PRIMER, ABOUT 2 GRAINS OF PETN IN FRONT OF THE LEAD AZIDE, AND A PROPELLANT IGNITER EXTENDING LONGITUDINALLY AND AXIALLY OF THE CARTRIDGE AND PROPELLANT, SAID IGNITER COMPRISING A LEAD SHEATH HAVING AN OUTSIDE DIAMETER OF ABOUT .073 INCH AND A WEIGHT OF ABOUT 99.2 GRAINS OF LEAD PER FOOT, AND WITHIN SAID SHEATH ABOUT 2.0 GRAINS OF PETN PER FOOT AND ABOUT 6.0 GRAINS OF ALUMINUM BARIUM PEROXIDE (ALBAO2) PER FOOT, WHEREBY THE DIFFERENC IN MUZZLE VELOCITY FOR A STANDARD PRIOR CARTRIDGE OF A STATED SIZE UNDER AN AMBIENT TEMPERATURE OF -65*F. AND ALSO
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |