US3916795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disintegrating projectile
Assignee: Nederl Wapen & Munitie
•
Filing: 1974-02-20
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Granted: 1975-11-04
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Expires: 1994-02-20
Abstract
Abstract A disintegrating projectile provided with a number of cores of compressed metal powder arranged axially one behind the other and enclosed within a shell of synthetic plastics material, said cores being provided with recesses or cavities and with plug means or dowels arranged in said cavities to locate and fix the cores relative to one another in the radial direction of the projectile.
Inventors
- 👤 Herman Lemstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:06
CPC Classifications
F; F42; F42B; F42B8/00; F42B8/12; F42B8/14; F42B8/16
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
65 words
A disintegrating projectile comprising a shell of plastics material which includes a number of cores of compressed metal powder arranged axially one behind the other and enclosed within said shell, said cores being provided with cavities, and plug means also of compressed metal powder arranged in said cavities and locating and fixing said cores relatively to one another in the radial direction of said projectile.
Claim 2
Dependent Claim
65 words
A disintegrating projectile comprising a shell of plastics material which includes a number of cores of compressed metal powder arranged axially one behind the other and enclosed within said shell, said cores being provided with cavities, and plug means also of compressed metal powder arranged in said cavities and locating and fixing said cores relatively to one another in the radial direction of said projectile.
Claim 3
Dependent Claim
25 words
A projectile according to claim 1, in which each plug means extends into a cavity in a core and is integral with an adjacent core.
Claim 4
Dependent Claim
27 words
A projectile as claimed in claim 1, in which each plug means extends into at least two recesses, located axially one behind the other, of two cores.
Claim 5
Dependent Claim
25 words
A projectile according to claim 1, in which the said cavities and plug means are cylindrical and have substantially the same inner and outer diameters.
References Cited (Backward Citations)
US175400A
Cited
US1252325A
Cited
US2617358A
Cited
US3338167A
Cited
US3385215A
Cited
US3680485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |