Patent US3783090A successfully refreshed from Google Patents.
US2823366A
Expired / Lapsed
US
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Rotating signal light
Assignee: Individual
•
Filing: 1956-02-07
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Granted: 1958-02-11
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Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Michael F Schmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:42
CPC Classifications
B; B61; B61L; B61L15/00; B61L15/0045; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2611
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US704513A
Cited
US1017368A
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US1126486A
Cited
US1344084A
Cited
US1772499A
Cited
US1960534A
Cited
US2210718A
Cited
US2677121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |