US2526074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture having means to shield the light source
Assignee: Individual
•
Filing: 1946-07-22
•
Granted: 1950-10-17
•
Expires: 1966-07-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Guth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
F; F21; F21V; F21V11/00; F21V13/00; F21V13/02; F21V13/10; F21S; F21S8/00; F21S8/04; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1484211A
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US1699692A
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US2311444A
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US2321099A
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US2329268A
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US2327552A
Cited
US2335737A
Cited
US2365614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |