Patent NL52957C successfully refreshed from Google Patents.
US2932019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiver dial illumination by surround lighting
Assignee: GTE Sylvania Inc
•
Filing: 1955-06-22
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Granted: 1960-04-05
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Expires: 1975-06-22
Abstract
No abstract record available.
Inventors
- 👤 Marion J Pifer
- 👤 Hudig John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:28
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; Y; Y10; Y10S; Y10S116/00; Y10S116/29; Y10S116/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB366576A
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US2465354A
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US2669708A
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US2606239A
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US2601841A
Cited
US2615420A
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US2780200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |