US3040168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instrument lighting device
Assignee: Kollsman Instrument Corp
•
Filing: 1957-09-25
•
Granted: 1962-06-19
•
Expires: 1977-09-25
Abstract
No abstract record available.
Inventors
- 👤 Stearns Thornton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:02
CPC Classifications
F; F21; F21V; F21V13/00; F21V13/02; F21V13/04; B; B60; B60Q; B60Q3/00; B60Q3/10; B60Q3/14; B60Q3/60; B60Q3/62; B60Q3/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2140972A
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US2214209A
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US2188821A
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US2347665A
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FR884319A
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US2561885A
Cited
US2523290A
Cited
US2646637A
Cited
US2640144A
Cited
FR1091225A
Cited
US2761056A
Cited
US2907869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |