US3782239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Penetrating arrangement
Assignee: United States Department of the Army
•
Filing: 1972-01-04
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Granted: 1974-01-01
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Expires: 1992-01-04
Abstract
Abstract A metal penetrating arrangement in which a steel projectile containing a sample contents is penetrated by a propellant actuated steel needle provided with an electro-deposited indium plating or coating. The coating has a 0.0001 to 0.0002 inch thickness that surrounds the entire needle for penetration of the projectile wall without fusion therebetween.
Inventors
- 👤 R Wick
- 👤 B Travor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:19
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
40 words
The structure in accordance with claim 1 wherein said container is a projectile, a sample contents is located in the projectile at a predetermined location, and said indium plating has a thickness in the range of 0.0001 to 0.0002 inches.
References Cited (Backward Citations)
US1380773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |