US2510346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light controlling panel
Assignee: GTE Sylvania Inc
•
Filing: 1948-07-01
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Granted: 1950-06-06
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Expires: 1968-07-01
Abstract
No abstract record available.
Inventors
- 👤 Nitardy Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:55
CPC Classifications
F; F21; F21V; F21V13/00; F21V13/02; F21V13/10; F21V11/00; F21V11/02; F21V11/08; F21V11/14; G; G09; G09F; G09F9/00; F21V7/00; F21V7/0025; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |