Patent US2605389A successfully refreshed from Google Patents.
US2605389A
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US
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Ventilated lampholder
Assignee: General Electric Co
•
Filing: 1947-09-18
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Granted: 1952-07-29
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Expires: 1967-09-18
Abstract
No abstract record available.
Inventors
- 👤 Donald G Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:00
CPC Classifications
F; F21; F21V; F21V29/00; F21V29/50; F21V29/502; F21V29/503; F21V29/70; F21V29/74; F21V29/83; H; H10; H10H; H10H20/00; H10H20/80; H10H20/85; H10H20/858; H10H20/8582
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR338125A
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US1081581A
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US1254210A
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US1774515A
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US1896857A
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US2125082A
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US2138373A
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US2114826A
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US2181646A
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US2252434A
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US2297144A
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US2424908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |