Patent US2343340A successfully refreshed from Google Patents.
Patent US2580651A successfully refreshed from Google Patents.
US2800831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash azimuth locator having image scanning means
Assignee: Individual
•
Filing: 1945-06-13
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Granted: 1957-07-30
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Expires: 1965-06-13
Abstract
No abstract record available.
Inventors
- 👤 Keiser Morris
- 👤 Fred B Daniels
- 👤 Bernard M Jaffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2216716A
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US2320908A
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US2414566A
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US2432026A
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US2425003A
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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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |