US2611071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lamp having a revolvable shade structure
Assignee: Individual
•
Filing: 1949-05-20
•
Granted: 1952-09-16
•
Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 Palmieri Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:51
CPC Classifications
F; F21; F21V; F21V1/00; F21V1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US290489A
Cited
US352646A
Cited
US1066493A
Cited
US1178764A
Cited
FR614559A
Cited
US1865758A
Cited
US2398974A
Cited
GB620939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |