US2534820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar azimuth and distance indication recorder
Assignee: PANORAMIC RADIO Corp
•
Filing: 1947-05-20
•
Granted: 1950-12-19
•
Expires: 1967-05-20
Abstract
No abstract record available.
Inventors
- 👤 Hurvitz Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:52
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924174A
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NL50811C
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US2406316A
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US2403562A
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US2422295A
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US2430307A
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US2430283A
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US2492120A
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US2467202A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |