US2999381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear magnetic resonance measuring system
Assignee: Industrial Nucleonics Corp
•
Filing: 1958-04-23
•
Granted: 1961-09-12
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Wilbert E Chope
- 👤 Frank M Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:09
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/44; G01R33/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US367332A
Cited
US2859385A
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USRE23950E
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US2624786A
Cited
US2647394A
Cited
US2799823A
Cited
US2769968A
Cited
US2859403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |