US2424243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control system
Assignee: Individual
•
Filing: 1944-01-19
•
Granted: 1947-07-22
•
Expires: 1964-01-19
Abstract
No abstract record available.
Inventors
- 👤 Percival D Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:54
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/18; H03J1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1514753A
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US1982290A
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GB314112A
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US2062259A
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US1876701A
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GB429783A
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US2129920A
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US2154886A
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US2205272A
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US2348666A
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US2364771A
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US2349129A
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US2347108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |