Patent US3047771A successfully refreshed from Google Patents.
US3047771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety headlight switch
Assignee: Individual
•
Filing: 1958-11-20
•
Granted: 1962-07-31
•
Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Harry C Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:26
CPC Classifications
H; H01; H01H; H01H81/00; H01H81/02; B; B60; B60Q; B60Q11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1500268A
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US1743053A
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US2362021A
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US2293179A
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US2425717A
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US2361162A
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US2450450A
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US2517302A
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US2644899A
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US2626373A
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US2603673A
Cited
US2769938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |