US2886699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent luminaire
Assignee: McGraw Edison Co
•
Filing: 1957-09-23
•
Granted: 1959-05-12
•
Expires: 1977-09-23
Abstract
No abstract record available.
Inventors
- 👤 Donald W Harling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21V; F21V17/00; F21V17/10; F21V17/20; F21V21/00; F21V21/10; F21V21/116; F21V7/00; F21V7/005; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2447228A
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US2606998A
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US2615123A
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US2489076A
Cited
GB670709A
Cited
US2640148A
Cited
US2758199A
Cited
US2837631A
Cited
US2678380A
Cited
US2731227A
Cited
US2833916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |