US3243700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epr maser spectrometer
Assignee: Melpar Inc
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Filing: 1962-09-11
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Granted: 1966-03-29
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Expires: 1982-09-11
Abstract
No abstract record available.
Inventors
- 👤 Mcavoy Nelson
- 👤 Morton R Kagan
- 👤 Van Winkle T Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:54
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A SYSTEM FOR TESTING A SAMPLE FOR PARAMAGNETIC RESONANCE COMPRISING MEANS INCLUDING A SOURCE OF MICROWAVE ENERGY FOR SELECTIVELY EXCITING THE SAMPLE TO PARAMAGNETIC RESONANCE, A MASER AMPLIFIER FOR THE FREQUENCY OF THE MICROWAVE ENERGY EXCITING SAID SAMPLE, MEANS FOR COUPLING THE MICROWAVE ENERGY REFLECTED FROM THE SAMPLE TO THE MASER AMPLIFIER ONLY WHEN THE SAMPLE IS EXCITED TO PARAMAGNETIC RESONANCE, AND MEANS FOR SENSING THE OUTPUT OF SAID MASER AMPLIFIER.
Claim 2
Independent Claim
71 words
A SYSTEM FOR TESTING A SAMPLE FOR PARAMAGNETIC RESONANCE COMPRISING MEANS INCLUDING A SOURCE OF MICROWAVE ENERGY FOR SELECTIVELY EXCITING THE SAMPLE TO PARAMAGNETIC RESONANCE, A MASER AMPLIFIER FOR THE FREQUENCY OF THE MICROWAVE ENERGY EXCITING SAID SAMPLE, MEANS FOR COUPLING THE MICROWAVE ENERGY REFLECTED FROM THE SAMPLE TO THE MASER AMPLIFIER ONLY WHEN THE SAMPLE IS EXCITED TO PARAMAGNETIC RESONANCE, AND MEANS FOR SENSING THE OUTPUT OF SAID MASER AMPLIFIER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |