US3050654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvements in light source control and modulation
Assignee: Moore & Hall
•
Filing: 1957-11-06
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Granted: 1962-08-21
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Expires: 1977-11-06
Abstract
No abstract record available.
Inventors
- 👤 Toulon Pierre Marie Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:15
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/03; F21S8/033; F21S8/04; F21V; F21V23/00; H; H05; H05B; H05B44/00; F21W; F21W2121/00; F21Y; F21Y2103/00; F21Y2103/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2109540A
Cited
US2117544A
Cited
US2616962A
Cited
US2684450A
Cited
US2644113A
Cited
US2715153A
Cited
US2813229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |