US2555352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air launched radio station
Assignee: Individual
•
Filing: 1945-06-20
•
Granted: 1951-06-05
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Percival D Lowell
- 👤 Hakkarinen William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:38
CPC Classifications
G; G01; G01W; G01W1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2228060A
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US2373413A
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US2300847A
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US2311491A
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US2327163A
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US2352891A
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US2399221A
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US2402143A
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US2381009A
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US2492501A
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US2452990A
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |