Patent US2789467A successfully refreshed from Google Patents.
US2789467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke projectile with delay fuse
Assignee: Individual
•
Filing: 1952-05-22
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Granted: 1957-04-23
•
Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 Rosenthal Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:47
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/145; F42B5/15; F42B5/155; F42B12/00; F42B12/02; F42B12/36; F42B12/46; F42B12/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US950956A
Cited
US1687159A
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US1947834A
Cited
US1937191A
Cited
US2459687A
Cited
US2340047A
Cited
US2315753A
Cited
US2459833A
Cited
US2459854A
Cited
GB660225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |