Patent US3677974A successfully refreshed from Google Patents.
US3677974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-purpose conductive adhesive
Assignee: United States Department of the Army
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Filing: 1970-09-18
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Granted: 1972-07-18
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Expires: 1990-09-18
Abstract
Abstract A MULTI-PURPOSE ELECTRICALLY CONDUCTIVE ADHESIVE CONSISTING OF A NOVOLAK-EPOXY RESIN, PARTICULATE SILVER AND AN IMIDAZOLE CURES AT MODERATE TEMPERATURES TO FORM AN ADHESIVE BOND RESISTANT TO TEMPERATURES IN THE RANGE 150-200* C.
Inventors
- 👤 Timothy J Kilduff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:45
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/321
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |