Patent US3198971A successfully refreshed from Google Patents.
US3198971A
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Magnetostrictive apparatus for cleaning sheet material
Assignee: Libbey Owens Ford Glass Co
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Filing: 1959-04-10
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Granted: 1965-08-03
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 James W Mcauley
- 👤 William E Mccown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:07
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/10; B08B3/12; B08B3/123; B06; B06B; B06B1/00; B06B1/02; B06B1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
52 words
IN APPARATUS FOR CLEANING SHEET MATERIAL BY SONIC MEANS, A MAGNETOSTRICTIVE TRANSDUCER COMPRISING A CORE FORMED OF A PLURALITY OF RELATIVELY THIN LAMINATIONS, AN ACOUSTICAL HORN SECURED TO THE LAMINATIONS AT ONE END OF THE CORE, AND MEANS FOR CLAMPING THE OPPOSITE FREE ENDS OF THE LAMINATIONS TOGETHER IN FACE-TO-FACE CONTACTING RELATIONSHIP.
References Cited (Backward Citations)
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US1820531A
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US1812748A
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US2116522A
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US2170206A
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US2784119A
Cited
US2890354A
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US2864592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |