US3592942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite ceramic armor
Assignee: Saint Gobain Abrasives Inc
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Filing: 1968-05-02
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Granted: 1971-07-13
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Expires: 1988-05-02
Abstract
Abstract PRESENTLY KNOWN COMPOSITE CERAMIC ARMOR PANELS DESIGNED FOR PROTECTION AGAINST SMALL ARMS FIRE CONSIST OF DENSE CERAMIC PLATES ADHERED TO A BACKING. ACCORDING TO THE PRESENT INVENTION, THE PREFERRED BACKING IS ALUMINUM ALLOY. IN ORDER TO INCREASE THE BEAM STRENGTH OF A FREE EDGE, TO MINIMIZED DEFLECTION UNDER IMPACT AND TO INCREASE THE OVERALL EFFECTIVENESS OF THE ARMOR, THE METAL BACKING PLATE IS FORMED NEAR THE FREE EDGE INTO AN ENCLOSING FLANGE OR LIP WHICH EXTENDS FROM THE BACKING PLATE AT AN ANGLE OF SUBSTANTIALLY 90* ADJOINING THE FACE PLATE AND MATERIALLY STIFFENING AND STRENGTHENING THE FREE EDGE. D R A W I N G
Inventors
- 👤 Eldon W Hauck
- 👤 Samuel H Coes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:56
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/98; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0414; F41H5/0421; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/23; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |