Patent US2618676A successfully refreshed from Google Patents.
US2618676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket structure for double-ended fluorescent lamps
Assignee: Individual
•
Filing: 1946-12-16
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Granted: 1952-11-18
•
Expires: 1966-12-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph O Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:41
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08; H01R33/0836; H01R33/0854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE564685C
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USRE21545E
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GB541556A
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US2239638A
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US2238152A
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US2309182A
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US2321099A
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US2338970A
Cited
US2314038A
Cited
US2322426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |