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US2584671A
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Electric lighting fitting having the lamp and control elements therefor removable as a unit
Assignee: General Electric Co
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Filing: 1946-07-30
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Granted: 1952-02-05
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Expires: 1966-07-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Cator
- 👤 Thorpe Frederick William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:40
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086; F21V; F21V15/00; F21V15/04; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318062A
Cited
US1759030A
Cited
US1741965A
Cited
US1772810A
Cited
GB385495A
Cited
CH183320A
Cited
GB541505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |