Patent US1466903A successfully refreshed from Google Patents.
US3208129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of electrical contacts
Assignee: BASF Catalysts UK Holdings Ltd
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Filing: 1961-11-01
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Granted: 1965-09-28
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Talbot Ralph Ernest Claude
- 👤 Gray Robert Hastings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:25
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0231; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921; Y10T29/49211; Y10T29/49213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
THE METHOD OF MANUFACTURING A BIMETALLIC ELECTRICAL CONTACT, COMPRISING ALIGNING FIRST AND SECOND METAL WIRES IN END-TO-END ABUTTING RELATIONSHIP, WELDING THE WIRES AT THE ABUTMENT THEREOF TO FORM A WELDED JOINT WHILE MAINTAINING THE ABUTMENT PRESSURE CONDITIONS INSUFFICIENT TO CAUSE UPSETTING AND SWELLING AT THE JOINT, CUTTING OFF A LENGTH OF WIRE INCLUDING THE JOINT TO OBTAIN A COMPOSITE WIRE SLUG, DEFORMING A PORTION OF THE SLUG INCLUDING THE FIRST AND SECOND WIRES INTO THE FORM OF A RIVET HEAD AND THE REMAINDER IN THE FORM OF A SHANK INTEGRAL WITH THE HEAD.
Claim 2
Independent Claim
93 words
THE METHOD OF MANUFACTURING A BIMETALLIC ELECTRICAL CONTACT, COMPRISING ALIGNING FIRST AND SECOND METAL WIRES IN END-TO-END ABUTTING RELATIONSHIP, WELDING THE WIRES AT THE ABUTMENT THEREOF TO FORM A WELDED JOINT WHILE MAINTAINING THE ABUTMENT PRESSURE CONDITIONS INSUFFICIENT TO CAUSE UPSETTING AND SWELLING AT THE JOINT, CUTTING OFF A LENGTH OF WIRE INCLUDING THE JOINT TO OBTAIN A COMPOSITE WIRE SLUG, DEFORMING A PORTION OF THE SLUG INCLUDING THE FIRST AND SECOND WIRES INTO THE FORM OF A RIVET HEAD AND THE REMAINDER IN THE FORM OF A SHANK INTEGRAL WITH THE HEAD.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |