Patent US2441399A successfully refreshed from Google Patents.
US2441399A
Expired / Lapsed
US
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Incandescent and fluorescent lamp holder
Assignee: General Electric Co
•
Filing: 1946-01-16
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Granted: 1948-05-11
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Expires: 1966-01-16
Abstract
No abstract record available.
Inventors
- 👤 Reamer Frank C De
- 👤 John M Pistey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:58
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/088; F21S6/00; F21S6/002; F21S6/005; H; H01; H01J; H01J61/00; H01J61/96; F21W; F21W2111/00; F21W2111/06; F21Y; F21Y2103/00; F21Y2103/30; F21Y2103/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US124076A
Cited
US2350462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |