Patent US2724047A successfully refreshed from Google Patents.
US2724047A
Expired / Lapsed
US
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Fluorescent light fixture
Assignee: Garden City Plating & Manufacturing Co
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Filing: 1952-09-04
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Granted: 1955-11-15
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Expires: 1972-09-04
Abstract
No abstract record available.
Inventors
- 👤 Edward F Zurawski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:03
CPC Classifications
F; F21; F21V; F21V11/00; F21V11/02; F21S; F21S8/00; F21S8/04; F21V17/00; F21Y; F21Y2103/00
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |