Patent US2966602A successfully refreshed from Google Patents.
US2966602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High output fluorescent lamp
Assignee: GTE Sylvania Inc
•
Filing: 1956-06-27
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Granted: 1960-12-27
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Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 John F Waymouth
- 👤 Bitter Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
F; F21; F21V; F21V29/00; H; H01; H01J; H01J61/00; H01J61/02; H01J61/52; H01J61/523; H01J61/70; H01J61/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1151129A
Cited
US1924368A
Cited
US1897586A
Cited
US2262177A
Cited
US2452518A
Cited
US2622221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |