US2640987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Armored garment
Assignee: United States Department of the Army
•
Filing: 1952-06-02
•
Granted: 1953-06-09
•
Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Russell W Ehlers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:59
CPC Classifications
F; F41; F41H; F41H1/00; F41H1/02; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31728; Y10T428/31732; Y10T428/31942
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1324234A
Cited
US2076076A
Cited
US2399184A
Cited
US2430053A
Cited
US2534923A
Cited
US2466597A
Cited
US2562951A
Cited
US2616482A
Cited
FR990532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |