US3214558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contact arrangement exhibiting reduced material migration
Assignee: Siemens and Halske AG
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Filing: 1962-08-21
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Granted: 1965-10-26
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Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Huber Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/0201; H01H1/021; H01H1/64; H01H1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ELECTRICAL CONTACT ARRANGEMENT HAVING CONTACT MEANS BETWEEN WHICH OCCURS MIGRATION OF MATERIAL INCIDENT TO THE OPERATIVE ACTUATION THEREOF, SUCH MATERIAL MIGRATION LEADING ORIDINARILY RESPECTIVELY TO THE FORMATION OF CRATERS AND ELEVATIONS WHICH DETRIMENTALLY AFFECT THE CONTACT-MAKING OPERATION, A CONSTRUCTION WHEREBY SUCH DETRIMENTS ARE AVOIDED, COMPRISING A CARRIER, A LAYER OF CONTACT MATERIAL DISPOSED UPON SUCH CARRIER, THE CONTACT MATERIAL OF SAID LAYER HAVING A DIRECTION OF MIGRATION WHICH IS ORIENTED OPPOSITELY TO THAT OF THE CARRIER MATERIAL, THE THICKNESS OF SAID LAYER BEING LESS THAN THAT REQUIRED FOR MATERIAL MIGRATION IN THE FORMATION OF CRATERS OR ELEVATIONS WHICH MIGHT AFFECT THE CONTACT MAKING OPERATION.
Claim 2
Dependent Claim
105 words
AN ELECTRICAL CONTACT ARRANGEMENT HAVING CONTACT MEANS BETWEEN WHICH OCCURS MIGRATION OF MATERIAL INCIDENT TO THE OPERATIVE ACTUATION THEREOF, SUCH MATERIAL MIGRATION LEADING ORIDINARILY RESPECTIVELY TO THE FORMATION OF CRATERS AND ELEVATIONS WHICH DETRIMENTALLY AFFECT THE CONTACT-MAKING OPERATION, A CONSTRUCTION WHEREBY SUCH DETRIMENTS ARE AVOIDED, COMPRISING A CARRIER, A LAYER OF CONTACT MATERIAL DISPOSED UPON SUCH CARRIER, THE CONTACT MATERIAL OF SAID LAYER HAVING A DIRECTION OF MIGRATION WHICH IS ORIENTED OPPOSITELY TO THAT OF THE CARRIER MATERIAL, THE THICKNESS OF SAID LAYER BEING LESS THAN THAT REQUIRED FOR MATERIAL MIGRATION IN THE FORMATION OF CRATERS OR ELEVATIONS WHICH MIGHT AFFECT THE CONTACT MAKING OPERATION.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |