US2864966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-actinic fluorescent lamp
Assignee: GTE Sylvania Inc
•
Filing: 1955-12-02
•
Granted: 1958-12-16
•
Expires: 1975-12-02
Abstract
No abstract record available.
Inventors
- 👤 Burns Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:42
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/54; H01J61/547; H01J61/30; H01J61/35
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |