US2667550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric light flasher
Assignee: Individual
•
Filing: 1951-06-04
•
Granted: 1954-01-26
•
Expires: 1971-06-04
Abstract
No abstract record available.
Inventors
- 👤 Noel J Lituchy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:22
CPC Classifications
H; H01; H01H; H01H61/00; H01H61/06; H01H61/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1084657A
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US1510847A
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US1789640A
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US1974472A
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US1922022A
Cited
US2132097A
Cited
US2302603A
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US2295202A
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US2272976A
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US2529212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |