US3069580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp
Assignee: GTE Sylvania Inc
•
Filing: 1953-10-28
•
Granted: 1962-12-18
•
Expires: 1973-10-28
Abstract
No abstract record available.
Inventors
- 👤 Jr John Francis Waymouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:32
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/04; H01J61/06; H01J61/067
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1163705A
Cited
US1644601A
Cited
US2007934A
Cited
US2032945A
Cited
US2020724A
Cited
US2162546A
Cited
US2056621A
Cited
US2097157A
Cited
US2142104A
Cited
US2084913A
Cited
US2141933A
Cited
US2427096A
Cited
US2354946A
Cited
US2433813A
Cited
US2432513A
Cited
US2530394A
Cited
US2682008A
Cited
US2659835A
Cited
US2709767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |