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Patent US2613548A successfully refreshed from Google Patents.
US2613548A
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US
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Radio control device
Assignee: Individual
•
Filing: 1949-02-10
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Granted: 1952-10-14
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Expires: 1969-02-10
Abstract
No abstract record available.
Inventors
- 👤 James N Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:32
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/06; G; G05; G05G; G05G9/00; G05G9/02; G05G9/04; G05G9/047; G05G2009/04703; G05G2009/04714; G05G2009/04777; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20201; Y10T74/20576; Y10T74/2093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US539863A
Cited
US2082410A
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US2004918A
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US2026220A
Cited
US2122306A
Cited
US2149754A
Cited
US2396309A
Cited
US2480521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |