US3590451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fabricating an offensive and defensive projectile head, and projectile head produced according to this process
Assignee: Individual
•
Filing: 1968-03-20
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Granted: 1971-07-06
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Expires: 1988-03-20
Abstract
Abstract Process for fabricating an offensive and defensive projectile head for antipersonnel use comprising a hollow metallic body and provided with reducing slits, consisting of stamping out a metallic blank of definite quality, thickness and form; of striking, impressing or marking, by pressing or rolling, one or both faces of this blank with a set of impressions determining the reducing slits; and in swaging the said blank to give it the desired form.
Inventors
- 👤 Louis Dessart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:24
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/20; F42B12/22; F42B12/24; F42B12/201; F42B12/204
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A process for fabrication of an offensive and defensive projectile head for antipersonnel use comprising a hollow metallic body provided with reduced grooves, consisting of stamping out a planar metallic blank of definite quality, thickness and form; of impressing one or both faces of this blank with a set of concentric annular grooves, and a set of short nonaligned radial grooves extending between each concentric groove to determine the reduced grooves; and swaging the said blank to give it hemispherical form.
Claim 2
Dependent Claim
81 words
A process for fabrication of an offensive and defensive projectile head for antipersonnel use comprising a hollow metallic body provided with reduced grooves, consisting of stamping out a planar metallic blank of definite quality, thickness and form; of impressing one or both faces of this blank with a set of concentric annular grooves, and a set of short nonaligned radial grooves extending between each concentric groove to determine the reduced grooves; and swaging the said blank to give it hemispherical form.
Claim 3
Dependent Claim
18 words
The process of fabrication according to claim 1 further consisting of pressing an orifice in the hollow body.
Claim 4
Dependent Claim
31 words
The process of fabrication according to claim 2 further consisting of superposing two hollow bodies, one of which is provideD with an orifice and of uniting their free edges by soldering.
References Cited (Backward Citations)
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Cited
US2007026A
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US2325205A
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GB562727A
Cited
US2427756A
Cited
US2933799A
Cited
US3058195A
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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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |