US2528823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical time fuse
Assignee: Individual
•
Filing: 1944-07-03
•
Granted: 1950-11-07
•
Expires: 1964-07-03
Abstract
No abstract record available.
Inventors
- 👤 Fink Jean
- 👤 Hebbeln Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:50
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/14; F42C9/141; F42C9/02; F42C9/04; F42C9/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319304A
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US886564A
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US1063095A
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US1145051A
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DE327730C
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US1496271A
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DE479139C
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US1523073A
Cited
US1665666A
Cited
GB285553A
Cited
US1704302A
Cited
US2097836A
Cited
US2149470A
Cited
US2369310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |