US3128203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective polyindene and terpenephenol coatings for semiconductors and method
Assignee: Clevite Corp
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Filing: 1961-05-02
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Granted: 1964-04-07
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Expires: 1981-05-02
Abstract
No abstract record available.
Inventors
- 👤 Dahlberg Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:40
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/131; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
IN COMBINATION, A SEMICONDUCTOR DEVICE COMPRISING A BODY OF A SEMICONDUCTIVE MATERIAL HAVING FREE VALENCE BONDS AVAILABLE ON ITS SURFACE, AND A THIN COHERENT CHEMICALLY BONDED SURFACE LAYER ON SAID BODY CONSISTING ESSENTIALLY OF AN UNSATURATED CYCLIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF POLYINDENE AND TERPENE-PHENOL RESINS.
Claim 2
Dependent Claim
48 words
IN COMBINATION, A SEMICONDUCTOR DEVICE COMPRISING A BODY OF A SEMICONDUCTIVE MATERIAL HAVING FREE VALENCE BONDS AVAILABLE ON ITS SURFACE, AND A THIN COHERENT CHEMICALLY BONDED SURFACE LAYER ON SAID BODY CONSISTING ESSENTIALLY OF AN UNSATURATED CYCLIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF POLYINDENE AND TERPENE-PHENOL RESINS.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |