US2514619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroboscopic device
Assignee: —
•
Filing: —
•
Granted: 1950-07-11
•
Expires: 1967-07-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:13
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/36; G01P3/40; F; F21; F21S; F21S10/00; F21S10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1909103A
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US1889608A
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US1936774A
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US2080423A
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US2067256A
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US2113011A
Cited
US2187551A
Cited
US2259910A
Cited
US2352082A
Cited
US2324915A
Cited
US2412991A
Cited
US2363583A
Cited
US2418139A
Cited
US2419593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |