US2739369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making electrical contacts
Assignee: Metals and Controls Corp
•
Filing: 1952-03-28
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Granted: 1956-03-27
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Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 James S Cooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
THE METHOD OF FORMING COMPOSITE ELECTRICAL CONTACTS HAVING A CONTACT FACE UNITED TO A BACKING METAL, WHICH COMPRISES PROVIDING A FIRST MALLEABLE CONTACT FACE METAL HAVING A CLEANED SURFACE AND PROVIDING A FIRST MALLEABLE BACKING METAL THEREFOR HAVING A CLEANED SURFACE; PROVIDING A SECOND MALLEABLE CONTACT FACE METAL HAVING A CLEANED SURFACE AND PROVIDING A SECOND MALLEABLE BACKING METAL THEREFOR HAVING A CLEANED SURFAFE; PLACING THE CLEANED SURFACES OF SAID FIRST CONTACT FACE METAL AND SAID FIRST BACKING METAL TOGETHER TO FORM A PAIR, AND PLACING SAID CLEANED SURFACES OF THE SECOND CONTACT FACE METAL AND THE SECOND BACKING METAL TOGETHER TO FORM ANOTHER PAIR; PLACING ONE OF THE REMAINING EXPOSED FACES OF ONE PAIR IN OPPOSITION TO ONE OF THE REMAINING EXPOSED FACES OF THE OTHER PAIR WITH A PARTING LAYER THEREBETWEEN; AND THEREAFTER FORCING SAID PAIRS TOWARD EACH OTHER ALONG A COMMON AXIS TO CAUSE AN OUTWARD FLOWING OF SAID CONTACT FACE METALS AND SAID BACKING METALS AT THE JUNCTIONS OF SAID CLEANED SURFACES UNTIL THE CLEANED SURFACE OF EACH CONTACT FACE METAL BECOMES COLD WELDED TO THE CLEANED SURFACE OF ITS MATING BACKING METAL IN MANY DISCRETE SPOTS.
Claim 2
Independent Claim
191 words
THE METHOD OF FORMING COMPOSITE ELECTRICAL CONTACTS HAVING A CONTACT FACE UNITED TO A BACKING METAL, WHICH COMPRISES PROVIDING A FIRST MALLEABLE CONTACT FACE METAL HAVING A CLEANED SURFACE AND PROVIDING A FIRST MALLEABLE BACKING METAL THEREFOR HAVING A CLEANED SURFACE; PROVIDING A SECOND MALLEABLE CONTACT FACE METAL HAVING A CLEANED SURFACE AND PROVIDING A SECOND MALLEABLE BACKING METAL THEREFOR HAVING A CLEANED SURFAFE; PLACING THE CLEANED SURFACES OF SAID FIRST CONTACT FACE METAL AND SAID FIRST BACKING METAL TOGETHER TO FORM A PAIR, AND PLACING SAID CLEANED SURFACES OF THE SECOND CONTACT FACE METAL AND THE SECOND BACKING METAL TOGETHER TO FORM ANOTHER PAIR; PLACING ONE OF THE REMAINING EXPOSED FACES OF ONE PAIR IN OPPOSITION TO ONE OF THE REMAINING EXPOSED FACES OF THE OTHER PAIR WITH A PARTING LAYER THEREBETWEEN; AND THEREAFTER FORCING SAID PAIRS TOWARD EACH OTHER ALONG A COMMON AXIS TO CAUSE AN OUTWARD FLOWING OF SAID CONTACT FACE METALS AND SAID BACKING METALS AT THE JUNCTIONS OF SAID CLEANED SURFACES UNTIL THE CLEANED SURFACE OF EACH CONTACT FACE METAL BECOMES COLD WELDED TO THE CLEANED SURFACE OF ITS MATING BACKING METAL IN MANY DISCRETE SPOTS.
References Cited (Backward Citations)
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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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |