US3199176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing electrical contacts
Assignee: Texas Instruments Inc
•
Filing: 1961-11-08
•
Granted: 1965-08-10
•
Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Freudiger Edgar
- 👤 Paul A Dion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:02
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0233; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49076; Y10T29/49117; Y10T29/49204; Y10T29/49206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
T HE PROCESS OF MANUFACTURING ELECTRICAL CONTACTS COMPRISING SQUEEZING A LAYER OF A CLEAN MIXTURE OF RESPECTIVELY HIGHLY CONDUCTIVE AND HIGHLY REFRACTORY METAL POWDER MATERIALS AGAINST A CLEAN METAL BACKING STRIP TO FORM SOLID-PHASE GREEN BONDS BETWEEN THE PARTICLES OF THE POWDERS AND ALSO BETWEEN SOME OF THEM AND THE STRIP TO FORM A COMPOSITE STRIP, SINTERING THE GREEN BONDED COMPOSITE STRIP TO IMPROVE THE BONDS, COINING THE COMPOSITE STRIP TO FORM PELLET-LIKE SHAPES THEREIN IN THE FORM OF BONDED CONDUCTIVE AND REFRACTORY MATERIAL ON ONE SIDE OF THE BACKING STRIP AND WELDING PROJECTIONS ON THE OTHER SIDE OF THE BACKING STRIP, AND BLANKING OUT FROM THE COMPOSITE STRIP SAID PELLET-LIKE SHAPES TO FORM INDIVIDUAL CONTACTS.
Claim 2
Dependent Claim
116 words
T HE PROCESS OF MANUFACTURING ELECTRICAL CONTACTS COMPRISING SQUEEZING A LAYER OF A CLEAN MIXTURE OF RESPECTIVELY HIGHLY CONDUCTIVE AND HIGHLY REFRACTORY METAL POWDER MATERIALS AGAINST A CLEAN METAL BACKING STRIP TO FORM SOLID-PHASE GREEN BONDS BETWEEN THE PARTICLES OF THE POWDERS AND ALSO BETWEEN SOME OF THEM AND THE STRIP TO FORM A COMPOSITE STRIP, SINTERING THE GREEN BONDED COMPOSITE STRIP TO IMPROVE THE BONDS, COINING THE COMPOSITE STRIP TO FORM PELLET-LIKE SHAPES THEREIN IN THE FORM OF BONDED CONDUCTIVE AND REFRACTORY MATERIAL ON ONE SIDE OF THE BACKING STRIP AND WELDING PROJECTIONS ON THE OTHER SIDE OF THE BACKING STRIP, AND BLANKING OUT FROM THE COMPOSITE STRIP SAID PELLET-LIKE SHAPES TO FORM INDIVIDUAL CONTACTS.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |