Patent US3000772A successfully refreshed from Google Patents.
US3000772A
Expired / Lapsed
US
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Lightweight nonmetallic armor
Assignee: Westinghouse Electric Corp
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Filing: 1956-11-30
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Granted: 1961-09-19
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Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Richard H Lunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:15
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0471; F41H5/0485; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/086; B29C70/10; B29C70/16; B29C70/22; B29C70/228; B29C70/28; B29C70/40; B29C70/42; B29C70/50; B29C70/504; B29C70/506; B29K; B29K2101/00; B29K2101/12; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/26; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/322; Y10T442/3472; Y10T442/3528; Y10T442/3854; Y10T442/3886
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A LIGHTWEIGHT LAMINATED ARMOR PLATE CAPABLE OF DELAMINATION UNDER THE IMPACT OF A PROJECTILE, SAID ARMOR PLATE COMPRISING A PLURALITY OF ALTERNATELY CROSSED LAYERS OF FABRIC COMPRISING WARP OF CLOSELY PACKED CONTINUOUS GLASS YARN AND SPACED FILL YARN, THE NUMBER AND THICKNESS OF SAID GLASS WARP YARNS EXCEEDING THE NUMBER AND THICKNESS OF SAID FILL YARNS AND A MARTRIX OF TOUGH POLYETHYLENE EMBEDDING AND BONDING TOGETHER THE LAYERS OF FABRIC INTO A UNITARY MEMBER, THE BOND BETWEEN THE LAYERS OF FABRIC BEING SUBSTANTIALLY UNIFORM THROUGHOUT THE MEMBER AND THE MEMBER BEING TOUGH AND FLEXIBLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |