US2626346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent light fixture for circular fluorescent lamps
Assignee: Individual
•
Filing: 1949-01-26
•
Granted: 1953-01-20
•
Expires: 1969-01-26
Abstract
No abstract record available.
Inventors
- 👤 Warren H Stoller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:53
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/0075; F21Y; F21Y2103/00; F21Y2103/30; F21Y2103/33; Y; Y02; Y02B; Y02B20/00; Y02B20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE319120C
Cited
US1698708A
Cited
US1873308A
Cited
US2041189A
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US2085207A
Cited
US2472597A
Cited
US2454243A
Cited
US2494058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |