US2522367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio distance measuring system
Assignee: Radio Patents Corp
•
Filing: 1945-07-28
•
Granted: 1950-09-12
•
Expires: 1965-07-28
Abstract
No abstract record available.
Inventors
- 👤 Guanella Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:17
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208422A
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US2225046A
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US2268587A
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US2423644A
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US2467670A
Cited
US2406316A
Cited
US2403625A
Cited
US2371988A
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US2424854A
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US2408742A
Cited
US2403527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |