US3743569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armor of cermet with metal therein increasing with depth
Assignee: United States Atomic Energy Commission
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Filing: 1970-04-02
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Granted: 1973-07-03
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Expires: 1990-04-02
Abstract
Abstract AN ARMOR SYSTEM COMPRISING A CERAMIC MATRIX HAVING A GRADIENT OF THE DUCTILE METALLIC PARTICLES DISPRESED THEREIN IN AN AMOUNT OF FROM 0.0% COMMENCING AT THE FRONT OF IMPACT SURFACE OF THE ARMOR TO ABOUT 2 TO 15% BY VOLUME ALONG THE INTERFACE OF THE BACK OF THE SYSTEM.
Inventors
- 👤 C Cline
- 👤 K Froeschner
- 👤 M Wilkins
- 👤 A Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:44
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/71; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0414; F41H5/0421; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/24983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |