Patent US3452197A successfully refreshed from Google Patents.
US3452197A
Expired / Lapsed
US
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Biological equivalent responsive neutron survey meter
Assignee: AMF Inc
•
Filing: 1965-02-24
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Granted: 1969-06-24
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 William P Saylor Jr
- 👤 Herman M Childers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:34
CPC Classifications
G; G01; G01T; G01T3/00; G01T3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2596080A
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US2799780A
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US2910592A
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US2991363A
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US2968726A
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US3088030A
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US3122635A
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US3141092A
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US3288996A
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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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |