US2272176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lighting fixture
Assignee: Benjamin Electric Manufacturing Co
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Filing: 1940-04-05
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Granted: 1942-02-10
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Expires: 1960-04-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Leinen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:02
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/66; F; F21; F21S; F21S8/00; F21S8/04; F21S8/06; F21V; F21V17/00; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3217; C04B2235/34; C04B2235/3418; C04B2235/349; C04B2235/42; C04B2235/422; 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) | 1945-02-09 | 1945-08-11 | 1946-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-09 | 1949-08-11 | 1950-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-09 | 1953-08-11 | 1954-02-10 | $7700.00 | Window Closed / Lapsed |