Patent US1287767A successfully refreshed from Google Patents.
Patent US2440702A successfully refreshed from Google Patents.
US2440702A
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Antipersonnel mine
Assignee: Individual
•
Filing: 1945-01-09
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Granted: 1948-05-04
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Expires: 1965-01-09
Abstract
No abstract record available.
Inventors
- 👤 Short Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:24
CPC Classifications
F; F42; F42B; F42B23/00; F42B23/10; F42B23/16; F42C; F42C7/00; F42C7/02; F42C7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325486A
Cited
US913401A
Cited
FR442772A
Cited
US1242053A
Cited
US1884721A
Cited
FR815386A
Cited
FR826676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-04 | 1951-11-03 | 1952-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-04 | 1955-11-03 | 1956-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-04 | 1959-11-03 | 1960-05-04 | $7700.00 | Window Closed / Lapsed |