US3221219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device having a nickel surface in pressure sliding engagement with a silver surface
Assignee: Siemens Schuckertwerke AG
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Filing: 1962-08-10
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Granted: 1965-11-30
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Expires: 1982-08-10
Abstract
No abstract record available.
Inventors
- 👤 Emeis Reimer
- 👤 Vogt Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:38
CPC Classifications
H; H01; H01R; H01R4/00; H10; H10W; H10W72/00; H10W72/20; H10W76/00; H10W76/40; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528; Y10T428/12681; Y10T428/12771; Y10T428/12861; Y10T428/12896; Y10T428/12903; Y10T428/1291; Y10T428/12944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR MEMBER HAVING A METALLIC ELECTRODE SURFACE, A CONTACT MEMBER ADJACENT TO SAID SEMICONDUCTOR MEMBER AND HAVING A METAL SURFACE IN CONTACT WITH SAID ELECTRODE SURFACE, SAID CONTACT MEMBER BEING OF MATERIAL WHOSE THERMAL
Claim 2
Dependent Claim
39 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR MEMBER HAVING A METALLIC ELECTRODE SURFACE, A CONTACT MEMBER ADJACENT TO SAID SEMICONDUCTOR MEMBER AND HAVING A METAL SURFACE IN CONTACT WITH SAID ELECTRODE SURFACE, SAID CONTACT MEMBER BEING OF MATERIAL WHOSE THERMAL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |