US3813281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite flexible armor
Assignee: Gulf & Western Ind Prod Co
•
Filing: 1973-01-30
•
Granted: 1974-05-28
•
Expires: 1993-01-30
Abstract
Abstract Layers of rigid platelets are separated by layers of compressible foam material having gas cells therein. A high velocity projectile striking a platelet in one layer compresses and forces gas from the cells in the foam material to absorb and dissipate kinetic energy.
Inventors
- 👤 L Burgess
- 👤 R Brownstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:51
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0442; F41H5/0457; B; B32; B32B; B32B15/00; B32B15/14; B32B15/04; B32B15/046; B32B3/00; B32B3/10; B32B3/14; B32B5/00; B32B5/22; B32B5/24; B32B5/245; F41H5/0492; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2571/00; B32B2571/02; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/166; Y10T428/168; Y10T428/21; Y10T428/24; Y10T428/24025; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/25; Y10T428/29; Y10T442/00; Y10T442/30; Y10T442/3325; Y10T442/3341
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |