US2140972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for illuminating dials of instruments
Assignee: Bendix Aviation Corp
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Filing: 1935-07-01
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Granted: 1938-12-20
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Expires: 1955-07-01
Abstract
No abstract record available.
Inventors
- 👤 Gregory V Rylsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:06
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0013; G01; G01D; G01D11/00; G01D11/28; G12; G12B; G12B11/00; G12B11/02; H; H01; H01R; H01R33/00; G02B6/0015; G02B6/002; G02B6/0021; G02B6/0066; G02B6/007; G02B6/0081; G02B6/0086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-12-19 | 1942-06-20 | 1942-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-19 | 1946-06-20 | 1946-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-19 | 1950-06-20 | 1950-12-20 | $7700.00 | Window Closed / Lapsed |