US2759119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination light source
Assignee: Westinghouse Electric Corp
•
Filing: 1953-09-16
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Granted: 1956-08-14
•
Expires: 1973-09-16
Abstract
No abstract record available.
Inventors
- 👤 Thorington Luke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:07
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/61; C09K11/615; C09K11/54; C09K11/66; F; F21; F21K; F21K2/00; H; H01; H01J; H01J63/00; H01K; H01K1/00; H01K1/28; H01K1/32; H01K1/34; Y; Y02; Y02B; Y02B20/00
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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |