US2593513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recessed light fixture with removable light transmitting panel
Assignee: Individual
•
Filing: 1948-11-18
•
Granted: 1952-04-22
•
Expires: 1968-11-18
Abstract
No abstract record available.
Inventors
- 👤 Preston A Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:51
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US551671A
Cited
US861689A
Cited
US1215274A
Cited
US1799304A
Cited
US2120449A
Cited
US2313131A
Cited
US2409758A
Cited
US2440603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |