US2519418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio controlled bearing repeater
Assignee: Individual
•
Filing: 1946-04-12
•
Granted: 1950-08-22
•
Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
- 👤 Robert J Urick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:04
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB149826A
Cited
GB380466A
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US1983079A
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US2273914A
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US2213886A
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US2408819A
Cited
US2403603A
Cited
US2363473A
Cited
US2406406A
Cited
US2404501A
Cited
US2429771A
Cited
US2444439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |