US2545101A
Expired / Lapsed
US
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Rotating diaphragm transducer for solid material testing
Assignee: Umicore NV SA
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Filing: 1948-12-06
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Granted: 1951-03-13
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Expires: 1968-12-06
Abstract
No abstract record available.
Inventors
- 👤 Meunier Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:32
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/004; B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; G01; G01N; G01N29/00; G01N29/22; G01N29/24; G01N29/2493; G01N29/26; G01N29/265; G01N2291/00; G01N2291/04; G01N2291/042; G01N2291/0426
Claims Analysis
Total Claims: 0
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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) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |