US3688698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammunition round
Assignee: United States Department of the Army
•
Filing: 1970-02-19
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Granted: 1972-09-05
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Expires: 1990-02-19
Abstract
Abstract A telescoped caseless cartridge of decreased length due to the projectile being contained within the caseless charge. The shorter round facilitates improved storage, reduction of packaging requirements and weapon size and weight, and easier extraction of unfired rounds from the weapon.
Inventors
- 👤 Joseph B Quinlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:17
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
70 words
A telescoped caseless ammunition cartridge comprising, a cylindrical molded propellent charge, a projectile located within said molded charge, a forward propellant seal extending across said molded charge forwardly of said projectile, a primer cup extending across said molded charge rearwardly of said projectile, and a propellant support tube lining a predetermined length of said molded charge between said forward propellant seal and primer cup, sad support tube surrounding sad projectile.
Claim 2
Dependent Claim
70 words
A telescoped caseless ammunition cartridge comprising, a cylindrical molded propellent charge, a projectile located within said molded charge, a forward propellant seal extending across said molded charge forwardly of said projectile, a primer cup extending across said molded charge rearwardly of said projectile, and a propellant support tube lining a predetermined length of said molded charge between said forward propellant seal and primer cup, sad support tube surrounding sad projectile.
Claim 3
Dependent Claim
30 words
The cartridge of claim 1 wherein said molded charge and forward seal are made from a single base propellant, and said support tube is made from a double base propellant.
Claim 4
Dependent Claim
56 words
The cartridge of claim 1 wherein said molded charge and forward seal are made from a single base propellant, and said primer cup contains an explosive charge and a priming charge, each of said priming cup charges having a respective seal therefor, said explosive charge seal being positioned rearwardly adjacent a base portion of said projectile.
References Cited (Backward Citations)
US3345945A
Cited
US3482516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |