US3750243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low loss electrical conductive coating and bonding materials including magnetic particles for mixing
Assignee: United States Department of the Navy
•
Filing: 1968-12-16
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Granted: 1973-08-07
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Expires: 1988-12-16
Abstract
Abstract A conductive coating and bonding material for single element electrostrictive transducers and for those formed as a mosaic stack, or non-linear seriatim assembly of electrostrictive segments and including a matrix of known types of room temperature curing epoxy resin having uniformly dispersed therethrough, copper and silver flakes and nickel powder, the nickel powder being present for magnetic mixing. The term electrostrictive is used to the generic sense to encompass ceramic materials and piezoelectric natural or grown crystals.
Inventors
- 👤 W Prentice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:45
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/004; H10; H10N; H10N30/00; H10N30/01; H10N30/06; Y; Y10; Y10T; Y10T29/00; Y10T29/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280135A
Cited
US2774803A
Cited
US3175991A
Cited
US3278455A
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US3175091A
Cited
US3211433A
Cited
US3412043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |