US2430336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for cold cathode lights or the like
Assignee: United Advertising Corp
•
Filing: 1945-11-27
•
Granted: 1947-11-04
•
Expires: 1965-11-27
Abstract
No abstract record available.
Inventors
- 👤 William R Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:25
CPC Classifications
F; F21; F21V; F21V25/00; F21V25/02; F21V25/04; H; H01; H01R; H01R33/00; H01R33/05; H01R33/06; H01R33/08; H01R33/0818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1413397A
Cited
US1135358A
Cited
DE524336C
Cited
US1947634A
Cited
US2288376A
Cited
US2353507A
Cited
US2397595A
Cited
US2405815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |