Patent US3023359A successfully refreshed from Google Patents.
US3023359A
Expired / Lapsed
US
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Method and apparatus for making high resolution function earth's magnetic field maps
Assignee: Individual
•
Filing: 1959-01-02
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Granted: 1962-02-27
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 William P Jenny
- 👤 Thomas A Rabson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:00
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08; G01V3/087; G01R; G01R33/00; G01R33/02; G01R33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2891215A
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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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |