Patent US3447031A successfully refreshed from Google Patents.
US3447031A
Expired / Lapsed
US
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Controlled switch flasher
Assignee: Ford Motor Co
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Filing: 1967-08-22
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Granted: 1969-05-27
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Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 John D Jenks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:35
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38; B60Q1/385; H; H05; H05B; H05B39/00; H05B39/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2880370A
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US3084338A
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US3089060A
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US3143729A
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US3113242A
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US3204146A
Cited
US3281611A
Cited
US3268765A
Cited
US3376472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |