US2943238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lighting
Assignee: Individual
•
Filing: 1957-11-22
•
Granted: 1960-06-28
•
Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 Edward G Reaves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:33
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/0075; F21S; F21S8/00; F21S8/02; F21S8/026; F21S8/03; F21S8/033; F21S8/04; F21V21/00; F21V21/02; F21V21/03; F21Y; F21Y2103/00; F21Y2103/30; F21Y2103/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2575486A
Cited
US2525022A
Cited
US2652483A
Cited
US2626346A
Cited
US2688690A
Cited
US2708713A
Cited
US2697777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |