Patent US3452188A successfully refreshed from Google Patents.
US3452188A
Expired / Lapsed
US
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Pilot chartboard and emergency cockpit panel lighting
Assignee: MARTIN V ZIDRON
•
Filing: 1966-02-18
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Granted: 1969-06-24
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Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Martin V Zidron
- 👤 Ben W Rau
- 👤 Robert I Nagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:57
CPC Classifications
B; B43; B43L; B43L3/00; B43L3/001; B64; B64D; B64D43/00; B64D45/00; B64D2045/0075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320537A
Cited
US1899499A
Cited
US2029425A
Cited
US2140090A
Cited
US3046389A
Cited
US3235720A
Cited
US3215453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |