US2511937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floodlight
Assignee: Individual
•
Filing: 1947-11-24
•
Granted: 1950-06-20
•
Expires: 1967-11-24
Abstract
No abstract record available.
Inventors
- 👤 Dominick A Natale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:42
CPC Classifications
F; F21; F21V; F21V31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1313739A
Cited
US722979A
Cited
US1557555A
Cited
US1640831A
Cited
US1701908A
Cited
US2007599A
Cited
US2081703A
Cited
US2286448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-19 | 1953-12-19 | 1954-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-19 | 1957-12-19 | 1958-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-19 | 1961-12-19 | 1962-06-20 | $7700.00 | Window Closed / Lapsed |