Patent US4227438A successfully refreshed from Google Patents.
US4227438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weapon system, notably infantry anti-tank weapon
Assignee: Societe dEtudes de Realisations et dApplications Techniques SA SERAT
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Filing: 1978-07-24
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Granted: 1980-10-14
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Expires: 1998-07-24
Abstract
Abstract Weapon system, notably of the light anti-tank type for infantry, which is fully consumable, which comprises a launching tube acting as a sealed tactical container and a rocket, preferably of the hollow charge type, and a rocket acceleration propulsion unit provided with a casing consisting of a compound fibre-and-resin assembly, preferably of the aramid-and-epoxy type, said casing consisting of two sections, i.e. an inner sleeve and an external structure.
Inventors
- 👤 Michel Precoul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:30
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F41; F41A; F41A21/00; F41A21/20; F41F; F41F3/00; F41F3/04; F41F3/042; F41F3/045; F41F3/0455; F42; F42B; F42B15/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
128 words
A disposable anti-tank weapon system for infrantry comprising I. a launching tube acting as a sealed container and II. a rocket propelled projectile unit comprising A. an explosive head, B. a rocket propulsion unit and C. a fuse which interconnects the explosive head and the propulsion unit, D. said rocket propulsion unit comprising 1. a propulsive charge, 2. a tuyere at the after end of the propulsion unit, 3. an inner sleeve loaded with said propulsive charge and made of a coiled fiber and resin structure, there being a wide pitch angle between adjacent fiber coils and 4. an external structure made of a coiled fiber and resin structure, the coils of which are coiled directly on said inner sleeve and extend over said fuse and said tuyere.
Claim 2
Dependent Claim
128 words
A disposable anti-tank weapon system for infrantry comprising I. a launching tube acting as a sealed container and II. a rocket propelled projectile unit comprising A. an explosive head, B. a rocket propulsion unit and C. a fuse which interconnects the explosive head and the propulsion unit, D. said rocket propulsion unit comprising 1. a propulsive charge, 2. a tuyere at the after end of the propulsion unit, 3. an inner sleeve loaded with said propulsive charge and made of a coiled fiber and resin structure, there being a wide pitch angle between adjacent fiber coils and 4. an external structure made of a coiled fiber and resin structure, the coils of which are coiled directly on said inner sleeve and extend over said fuse and said tuyere.
Claim 3
Dependent Claim
27 words
A disposable anti-tank weapon system according to claim 1, wherein said fiber and resin structure of said inner sleeve is of the aramid fiber and epoxy type.
Claim 4
Dependent Claim
18 words
A disposable anti-tank weapon system according to claim 1, wherein said explosive head is of the hollow-charge type.
Claim 5
Dependent Claim
35 words
A disposable anti-tank weapon system according to claim 1, wherein said launching tube is provided with a built-in sighting telescope whose lens system is rigid with respect to said tube and having a folding eyepiece.
Claim 6
Dependent Claim
28 words
A disposable anti-tank weapon system according to claim 4, wherein the optical coupling between the eyepiece and the sighting telescope lens system is through a set of diopters.
Claim 7
Dependent Claim
26 words
A disposable anti-tank weapon system according to claim 4, wherein the optical coupling between the eyepiece and the sighting telescope lens system is through optical fibers.
References Cited (Backward Citations)
FR1410375A
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FR1520421A
Cited
US3494249A
Cited
DE2331031A1
Cited
US3990355A
Cited
US3946638A
Cited
FR2311271A1
Cited
US4092899A
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US4108700A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-10-14 | 1984-04-14 | 1984-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-10-14 | 1988-04-14 | 1988-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-10-14 | 1992-04-14 | 1992-10-14 | $7700.00 | Window Closed / Lapsed |