US2437306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio dial display device
Assignee: Individual
•
Filing: 1944-12-12
•
Granted: 1948-03-09
•
Expires: 1964-12-12
Abstract
No abstract record available.
Inventors
- 👤 Ramsay Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:15
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/02; H03J1/04; H03J1/041; Y; Y10; Y10S; Y10S116/00; Y10S116/37
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) | 1951-03-09 | 1951-09-08 | 1952-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-09 | 1955-09-08 | 1956-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-09 | 1959-09-08 | 1960-03-09 | $7700.00 | Window Closed / Lapsed |