US2960424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curved armour plate
Assignee: Individual
•
Filing: 1955-09-30
•
Granted: 1960-11-15
•
Expires: 1975-09-30
Abstract
No abstract record available.
Inventors
- 👤 Bjorholm Poul Ulf Simonsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/083; F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; B29K; B29K2067/00; B29K2067/06; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29K2105/0845; B29K2105/0854; B29K2309/00; B29K2309/08; B29K2311/00; B29K2311/10; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/24107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A CURVED NON-METALLIC LAMINATED ARMOR PLATE STRUCTURE COMPRISING: A PLURALITY OF SUPERPOSED, CROSS-LAID, LAMINATED LAYERS OF SYNTHETIC FIBROUS MATERIAL BONDED UNIFORMLY THROUGHOUT THE PLATE BY A SYNTHETIC RESIN, EACH OF SAID LAYERS COMPRISING A FABRIC OF WOVEN SYNTHETIC FIBROUS THREADS HAVING SUBSTANTIALLY NO TWIST AND IN WHICH INTERLACINGS BETWEEN THREADS FORM EQUALLY SPACED DIAGONAL LINES ACROSS EACH OF THE LAYERS IN SUCH A WAY THAT THE NUMBER OF INTERLACINGS BETWEEN WARP THREADS AND WEFT THREADS PER UNIT AREA ARE LESS THAN THE NON-INTERLACING CROSSINGS BETWEEN SAID WARP AND WEFT THREADS, ONE OF SAID LAYERS BEING DISPOSED AS A REFERENCE LAYER AND THE OTHER LAYERS EACH HAVING THEIR WARP INDIVIDUALLY DISPOSED AT PREDETERMINED DIFFERENT ANGLES OTHER THAN 90* RELATIVE TO THE WARP OF THE REFERENCE LAYER, AND SAID OTHER LAYERS BEING DISPOSED ON OPPOSITE SIDES OF SAID REFERENCE LAYER.
Claim 2
Dependent Claim
138 words
A CURVED NON-METALLIC LAMINATED ARMOR PLATE STRUCTURE COMPRISING: A PLURALITY OF SUPERPOSED, CROSS-LAID, LAMINATED LAYERS OF SYNTHETIC FIBROUS MATERIAL BONDED UNIFORMLY THROUGHOUT THE PLATE BY A SYNTHETIC RESIN, EACH OF SAID LAYERS COMPRISING A FABRIC OF WOVEN SYNTHETIC FIBROUS THREADS HAVING SUBSTANTIALLY NO TWIST AND IN WHICH INTERLACINGS BETWEEN THREADS FORM EQUALLY SPACED DIAGONAL LINES ACROSS EACH OF THE LAYERS IN SUCH A WAY THAT THE NUMBER OF INTERLACINGS BETWEEN WARP THREADS AND WEFT THREADS PER UNIT AREA ARE LESS THAN THE NON-INTERLACING CROSSINGS BETWEEN SAID WARP AND WEFT THREADS, ONE OF SAID LAYERS BEING DISPOSED AS A REFERENCE LAYER AND THE OTHER LAYERS EACH HAVING THEIR WARP INDIVIDUALLY DISPOSED AT PREDETERMINED DIFFERENT ANGLES OTHER THAN 90* RELATIVE TO THE WARP OF THE REFERENCE LAYER, AND SAID OTHER LAYERS BEING DISPOSED ON OPPOSITE SIDES OF SAID REFERENCE LAYER.
References Cited (Backward Citations)
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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) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |