Patent US2122306A successfully refreshed from Google Patents.
US2122306A
Expired / Lapsed
US
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Radio control device
Assignee: Koninklijke Philips NV
•
Filing: 1936-08-05
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Granted: 1938-06-28
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Expires: 1956-08-05
Abstract
No abstract record available.
Inventors
- 👤 Volz Rudolf Friedrich
- 👤 Horowitz Alexandre
- 👤 Groot Abraham Jan Werner De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:37
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G9/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012
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) | 1941-06-27 | 1941-12-27 | 1942-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-27 | 1945-12-27 | 1946-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-27 | 1949-12-27 | 1950-06-28 | $7700.00 | Window Closed / Lapsed |