US2374265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning of radio receivers
Assignee: Murphy Radio Ltd
•
Filing: 1935-07-08
•
Granted: 1945-04-24
•
Expires: 1955-07-08
Abstract
No abstract record available.
Inventors
- 👤 Baker Geoffrey Bernard
- 👤 Hawkins George Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:31
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/02; H03J7/04; H03J7/14; H03J7/042; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/26
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) | 1948-04-23 | 1948-10-23 | 1949-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-23 | 1952-10-23 | 1953-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-23 | 1956-10-23 | 1957-04-24 | $7700.00 | Window Closed / Lapsed |