US3052949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing cellular ceramic electromechanical transducers, transducer materials and elements
Assignee: Clevite Corp
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Filing: 1958-09-22
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Granted: 1962-09-11
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Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Alfred L W Williams
- 👤 Charles K Graviey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:44
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/48; C04B35/50; C04B35/51; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/0302; H01F1/0311; H01F1/0313; H01F1/0315; H10; H10N; H10N30/00; H10N30/01; H10N30/04; H10N30/045; H10N30/09; H10N30/093; H10N30/097; H10N35/00; H10N35/01; Y; Y10; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A METHOD OF PRODUCING AN ELECTROMECHANICAL TRANSDUCER ELEMENT OF POLYCRYSTALLINE CERAMIC MATERIAL CAPABLE OF A SUBSTANTIAL MECHANICAL DISTORTION WHEN ELECTRICAL ENERGY IS APPLIED THERETO, COMPRISING THE STEPS OF; PROVIDING AN AQUEOUS SLIP CONTAINING THE CERAMIC MATERIAL; ADDING TO THE SLIP A VEHICL, A WETTING AGENT, AND A GELLING
Claim 2
Independent Claim
48 words
A METHOD OF PRODUCING AN ELECTROMECHANICAL TRANSDUCER ELEMENT OF POLYCRYSTALLINE CERAMIC MATERIAL CAPABLE OF A SUBSTANTIAL MECHANICAL DISTORTION WHEN ELECTRICAL ENERGY IS APPLIED THERETO, COMPRISING THE STEPS OF; PROVIDING AN AQUEOUS SLIP CONTAINING THE CERAMIC MATERIAL; ADDING TO THE SLIP A VEHICL, A WETTING AGENT, AND A GELLING
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |