US2880370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric flasher circuit
Assignee: RADAR RELAY Inc
•
Filing: 1957-03-18
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Granted: 1959-03-31
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Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 William C Arrasmith
- 👤 Kurt W Kuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:03
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38; B60Q1/387; H; H01; H01H; H01H51/00; H01H51/34; H03; H03K; H03K17/00; H03K17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |