Patent US2249318A successfully refreshed from Google Patents.
US2249318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp fixture
Assignee: ELECTRON CORP
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Filing: 1941-02-10
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Granted: 1941-07-15
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Expires: 1961-02-10
Abstract
No abstract record available.
Inventors
- 👤 Andrew O Locke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:56
CPC Classifications
H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08; H01R33/0818; F; F21; F21V; F21V17/00; F21Y; F21Y2103/00
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) | 1944-07-14 | 1945-01-13 | 1945-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-14 | 1949-01-13 | 1949-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-14 | 1953-01-13 | 1953-07-15 | $7700.00 | Window Closed / Lapsed |