Patent US2399501A successfully refreshed from Google Patents.
US2399501A
Expired / Lapsed
US
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Tubular lamp fixture
Assignee: General Electric Co
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Filing: 1944-11-06
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Granted: 1946-04-30
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Expires: 1964-11-06
Abstract
No abstract record available.
Inventors
- 👤 Adolf G Mueller
- 👤 Frederick C Dazley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:12
CPC Classifications
F; F21; F21V; F21V23/00; F21V19/00; F21V19/0075; F21V19/008; F21V19/0085; H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/065; F21Y; F21Y2103/00; H01R33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-04-29 | 1949-10-29 | 1950-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-29 | 1953-10-29 | 1954-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-29 | 1957-10-29 | 1958-04-30 | $7700.00 | Window Closed / Lapsed |