US2357237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system for radio receivers and the like
Assignee: Philco Radio and Television Corp
•
Filing: 1938-07-20
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Granted: 1944-08-29
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Expires: 1958-07-20
Abstract
No abstract record available.
Inventors
- 👤 Milton L Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:51
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/146; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 0
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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) | 1947-08-29 | 1948-02-28 | 1948-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-29 | 1952-02-28 | 1952-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-29 | 1956-02-28 | 1956-08-29 | $7700.00 | Window Closed / Lapsed |