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US3528005A
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Ultra-sensitive magnetic gradiometer using weakly coupled superconductors connected in the manner of a figure eight
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1967-11-16
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Granted: 1970-09-08
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Expires: 1987-11-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Morse
- 👤 Darrell L Judge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:12
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/035; G01R33/0354; G01R33/0358; G01R33/022; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/842; Y10S505/843; Y10S505/845
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2663843A
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US2836791A
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US2975360A
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US3363200A
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US3335363A
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US3445760A
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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) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |