US3687077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fully telescoped caseless cartridge
Assignee: Hughes Tool Co
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Filing: 1970-01-22
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Granted: 1972-08-29
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Expires: 1990-01-22
Abstract
Abstract An ammunition cartridge comprising a projectile which is fully telescoped within a sleeve of gunpowder. At the trailing edge of the projectile, and within the sleeve, a primer cap is positioned for containment of a primer charge which initiates combustion of the gunpowder sleeve. If desired, a casing of any suitable material may be provided for certain applications.
Inventors
- 👤 Morris Goldin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:49
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/18; F42B5/184; Y; Y10; Y10S; Y10S102/00; Y10S102/70
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
78 words
In an ammunition cartridge, a body comprising an explosive charge having a bore therein and a polygonal external periphery so structured as to provide one pair of opposite sides having a greater dimension than any other pair of sides thereon, a primer cup in said body adjacent said bore, and a projectile in said bore having a trailing end adjacent said primer cup and a leading end adjacent the other end of said bore and within said bore.
Claim 2
Dependent Claim
78 words
In an ammunition cartridge, a body comprising an explosive charge having a bore therein and a polygonal external periphery so structured as to provide one pair of opposite sides having a greater dimension than any other pair of sides thereon, a primer cup in said body adjacent said bore, and a projectile in said bore having a trailing end adjacent said primer cup and a leading end adjacent the other end of said bore and within said bore.
Claim 3
Dependent Claim
74 words
An ammunition cartridge comprising a sleeve member formed of an explosive charge having an octagonal polygonal external periphery having an opposed pair of equal width sides having a greater width than either of the other pairs of sides, a bore extending through said sleeve member, a primer cup at a first end of said bore, and a projectile entirely within said bore and having a leading end adjacent the second end of said bore.
Claim 4
Dependent Claim
74 words
An ammunition cartridge comprising a sleeve member formed of an explosive charge having an octagonal polygonal external periphery having an opposed pair of equal width sides having a greater width than either of the other pairs of sides, a bore extending through said sleeve member, a primer cup at a first end of said bore, and a projectile entirely within said bore and having a leading end adjacent the second end of said bore.
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |