Patent US2544860A successfully refreshed from Google Patents.
US2544860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket fuse
Assignee: Individual
•
Filing: 1947-08-01
•
Granted: 1951-03-13
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Volney K Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:20
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/18; F42C15/188; F42C15/24; F42C15/28; F42C15/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303197A
Cited
US1320447A
Cited
DE325608C
Cited
US1318954A
Cited
US1531716A
Cited
GB257335A
Cited
US1814059A
Cited
US2396245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |