US2616027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture for elongated tubular lamps
Assignee: General Electric Co
•
Filing: 1949-05-17
•
Granted: 1952-10-28
•
Expires: 1969-05-17
Abstract
No abstract record available.
Inventors
- 👤 Wilman Donald
- 👤 Clarke Ronald Augustus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:10
CPC Classifications
F; F21; F21V; F21V17/00; F21V17/10; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1997687A
Cited
US2269182A
Cited
US2336599A
Cited
US2319732A
Cited
US2427084A
Cited
US2440603A
Cited
US2490191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |