US2490191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: Individual
•
Filing: 1947-05-10
•
Granted: 1949-12-06
•
Expires: 1967-05-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:16
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21V; F21V17/00; F21V17/10; F21V17/107; F21V17/18; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |