Patent US2068227A successfully refreshed from Google Patents.
US2068227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for radio apparatus
Assignee: ROGER WOLCOTT
•
Filing: 1934-01-05
•
Granted: 1937-01-19
•
Expires: 1954-01-05
Abstract
No abstract record available.
Inventors
- 👤 David R Cutler
- 👤 Eustace B Corson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:17
CPC Classifications
G; G04; G04C; G04C23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-01-19 | 1940-07-20 | 1941-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-19 | 1944-07-20 | 1945-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-19 | 1948-07-20 | 1949-01-19 | $7700.00 | Window Closed / Lapsed |