US2928947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing apparatus
Assignee: Mirion Technologies Canberra Inc
•
Filing: 1953-11-06
•
Granted: 1960-03-15
•
Expires: 1973-11-06
Abstract
No abstract record available.
Inventors
- 👤 Norman H Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:02
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2712081A
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US2078768A
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US2383478A
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US2525292A
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US2537914A
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US2477307A
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US2584962A
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US2506435A
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US2528521A
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US2687477A
Cited
US2602142A
Cited
US2533701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |