Patent US2661192A successfully refreshed from Google Patents.
US2661192A
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Means for treating materials with intense alternating shear forces
Assignee: SONIC RES CORP
•
Filing: 1949-08-11
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Granted: 1953-12-01
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Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 Caperton B Horsley
- 👤 Gordon C Seavey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:39
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B01F; B01F25/00; B01F25/40; B01F25/438; B01F31/00; B01F31/44; B01F31/445
Claims Analysis
Total Claims: 0
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US2169338A
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US2333456A
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US2478207A
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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) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |