US3394585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrasonic measuring apparatus
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-09-20
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Granted: 1968-07-30
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Davey Cyril Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
G; G01; G01B; G01B17/00; G01B17/02; G01N; G01N29/00; G01N29/34; G01N29/348; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3050989A
Cited
US3057188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |