US2470012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio receiver tuning indicator, including a wide angle viewing lens
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-04-23
•
Granted: 1949-05-10
•
Expires: 1966-04-23
Abstract
No abstract record available.
Inventors
- 👤 Bergmans Jan
- 👤 Kronouer Johan George
- 👤 Leeuwin Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:36
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/02; H03J1/04; H03J1/041; H03J1/044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US736751A
Cited
US1087466A
Cited
US1346138A
Cited
US1731284A
Cited
US1955085A
Cited
US2079752A
Cited
US2240931A
Cited
US2262203A
Cited
US2273259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |