Patent US6289278B1 successfully refreshed from Google Patents.
US2465248A
Expired / Lapsed
US
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Electric light fixture
Assignee: Century Lighting Inc
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Filing: 1946-06-11
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Granted: 1949-03-22
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Expires: 1966-06-11
Abstract
No abstract record available.
Inventors
- 👤 Mccandless Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:58
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V11/00; F21V11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2094670A
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US2142395A
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GB488472A
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US2179161A
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US2297124A
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US2381451A
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US2426093A
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US2437522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |