Patent US4436035A successfully refreshed from Google Patents.
US4436035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular projectile
Assignee: Raufoss Ammunisjonsfabrikker AS
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Filing: 1982-06-03
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Granted: 1984-03-13
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Expires: 2002-06-03
Abstract
Abstract A tubular projectile having a rear end with a sabot and an open front end is characterized in that it comprises an interior and an exterior cylindrical wall, concentrically arranged, between which at least one incendiary charge is provided in front of at least one explosive charge, as seen in the moving direction of said projectile, and that said forward combustion charges are covered by a cover in front.
Inventors
- 👤 Kare R. Strandli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:22
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/44; F42B10/00; F42B10/32; F42B10/34
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
128 words
A tubular projectile having a rear end with a sabot and an open front end, characterized in that is comprises an interior and an exterior cylindrical wall, concentrically arranged, between which at least one incendiary charge is provided in front of at least one explsoive charge, as seen in the moving direction of said projectile, the incendiary charge being constructed to ignite on impact and then to ignite the explosive charge after a predetermined delay, and including a cover in front of said incendiary charge, said cover being a separate piece from the interior and exterior walls, and having a portion which is thinner and more deformable than the interior and exterior walls, said cover being firmly secured to the forward end of the interior and exterior walls.
Claim 2
Dependent Claim
128 words
A tubular projectile having a rear end with a sabot and an open front end, characterized in that is comprises an interior and an exterior cylindrical wall, concentrically arranged, between which at least one incendiary charge is provided in front of at least one explsoive charge, as seen in the moving direction of said projectile, the incendiary charge being constructed to ignite on impact and then to ignite the explosive charge after a predetermined delay, and including a cover in front of said incendiary charge, said cover being a separate piece from the interior and exterior walls, and having a portion which is thinner and more deformable than the interior and exterior walls, said cover being firmly secured to the forward end of the interior and exterior walls.
Claim 3
Dependent Claim
18 words
A tubular projectile according to claim 1, including an air gap between said incendiary charge and said cover.
Claim 4
Dependent Claim
22 words
A tubular projectile according to claim 1, wherein said cover engages a recess in the exterior cylindrical wall with an inward flange.
Claim 5
Dependent Claim
28 words
A tubular projectile according to claim 1, wherein the cover is secured with the inside of its pointed front end to the outside of the interior cylindrical wall.
Claim 6
Dependent Claim
32 words
A tubular projectile according to claim 1, wherein said cover has an interior collar which engages a correspondingly shaped shoulder on the outside of the front portion of the interior cylindrical wall.
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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) | 1987-03-13 | 1987-09-12 | 1988-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-13 | 1991-09-12 | 1992-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-13 | 1995-09-12 | 1996-03-13 | $7700.00 | Window Closed / Lapsed |