US2656453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixture for annular fluorescent lamps
Assignee: L J SEGIL CO (INC)
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Filing: 1949-05-16
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Granted: 1953-10-20
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Expires: 1969-05-16
Abstract
No abstract record available.
Inventors
- 👤 Leon J Segil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:55
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/02; F21V21/03; F21S; F21S8/00; F21S8/04; F21W; F21W2121/00; F21Y; F21Y2103/00; F21Y2103/30; F21Y2103/33
Claims Analysis
Total Claims: 0
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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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |