Patent US2841690A successfully refreshed from Google Patents.
US2841690A
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US
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Contact pin and method for fluorescent lamps
Assignee: General Electric Co
•
Filing: 1954-12-28
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Granted: 1958-07-01
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Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert A Kuebler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:56
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2279316A
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US2293455A
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US2522062A
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US2434043A
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US2438075A
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US2680236A
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US2749528A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |