US2446745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clockwork-operated time fuse
Assignee: Individual
•
Filing: 1942-06-22
•
Granted: 1948-08-10
•
Expires: 1962-06-22
Abstract
No abstract record available.
Inventors
- 👤 Delay Fernand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:20
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/02; F42C9/04; F42C9/048; F42C9/041; F42C9/045; F42C9/14; F42C9/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR414191A
Cited
US1102732A
Cited
US1665899A
Cited
CH134398A
Cited
US1890552A
Cited
US2164115A
Cited
US2097836A
Cited
US2149470A
Cited
FR824395A
Cited
FR828511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |