Patent US2848830A successfully refreshed from Google Patents.
US2848830A
Expired / Lapsed
US
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Indirectly illuminated instrument panels
Assignee: Boeing Co
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Filing: 1951-05-08
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Granted: 1958-08-26
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Expires: 1971-05-08
Abstract
No abstract record available.
Inventors
- 👤 Nickolas T Dmitriev
- 👤 Courcey Dennis G De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:58
CPC Classifications
B; B60; B60Q; B60Q3/00; B60Q3/10; B60Q3/16; B60Q3/18; B60Q3/14; B60Q3/80; B60Q3/85; Y; Y10; Y10S; Y10S116/00; Y10S116/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2537971A
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US2507035A
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US2566026A
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US2663107A
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US2518726A
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US2595973A
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US2602036A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |