Patent US3225343A successfully refreshed from Google Patents.
US3225343A
Expired / Lapsed
US
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Sequential flasher
Assignee: Tung Sol Electric Inc
•
Filing: 1963-05-20
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Granted: 1965-12-21
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Kratochvil Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:48
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38; B60Q1/387; B60Q1/381; H; H01; H01H; H01H61/00; H01H61/06; H01H61/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1217715A
Cited
US2056619A
Cited
US2097313A
Cited
US2674730A
Cited
US2822444A
Cited
US3037102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |