US3060427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic radiation monitor with frequency and azimuth indicator
Assignee: Polarad Electronics Corp
•
Filing: 1958-05-09
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Granted: 1962-10-23
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Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jaffe David Lawrence
- 👤 Neck Great
- 👤 Abraham H Sonnenschein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/02; G01R23/10; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/58; G01S3/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2488297A
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US2543434A
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US2619590A
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US2700157A
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US2525679A
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US2685687A
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US2698401A
Cited
US2745096A
Cited
US2928046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |