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US3148086A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of placing a copper layer on an aluminum electrical connector

Assignee: Individual
•
Filing: 1961-10-09
•
Granted: 1964-09-08
•
Expires: 1981-10-09
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Abstract

No abstract record available.

Inventors

  • 👤 Philip M H Seibert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:35
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01B; H01B1/00; H01B1/02; H01B1/023

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 131 words
THE PROCESS OF FUSING A COPPER LAYER ON AN ALUMINUM ELECTRICAL CONNECTOR COMPRISING ZINCATING THE SURFACE OF THE ALUMINUM CONNECTOR TO TREMOVE ANY ALUMINUM OXIDES FROM THE SURFACE OF THE CONNECTOR AND TO COAT THE CONNECTOR WITH METALLIC ZINC, HEATING THE ALUMINUM CONNECTOR THUS ZINCATED TO A TEMPERATURE BETWEEN 350* AND 900*F., SPRAYING MOLTEN COPPER ENTRAINED IN A BLAST OF GAS UNDER PRESSURE ONTO THE HEATED ALUMINUM CONNECTOR WHEREBY THE GAS VAPORIZES THE ZINC COATING TO REMOVE IT FROM THE SURFACE OF THE CONNECTOR, SAIDCOPPER BEING SPRAYED AT A SUFFICIENT VELOCITY WHEREBY THE COPPER PARTICLES PENETRATE THE SURFCE OF THE HOT ALUMINUM AND FORM AN INTERMEDIATE MIXED LAYER OF COPPER AND ALUMINUM PARTICLES BETWEEN .002 INCH AND .010 INCH IN THICKNESS ON WHICH AN OUTER LAYER OF COPPER MAY BE DEPOSITED.
Claim 2
Dependent Claim 131 words
THE PROCESS OF FUSING A COPPER LAYER ON AN ALUMINUM ELECTRICAL CONNECTOR COMPRISING ZINCATING THE SURFACE OF THE ALUMINUM CONNECTOR TO TREMOVE ANY ALUMINUM OXIDES FROM THE SURFACE OF THE CONNECTOR AND TO COAT THE CONNECTOR WITH METALLIC ZINC, HEATING THE ALUMINUM CONNECTOR THUS ZINCATED TO A TEMPERATURE BETWEEN 350* AND 900*F., SPRAYING MOLTEN COPPER ENTRAINED IN A BLAST OF GAS UNDER PRESSURE ONTO THE HEATED ALUMINUM CONNECTOR WHEREBY THE GAS VAPORIZES THE ZINC COATING TO REMOVE IT FROM THE SURFACE OF THE CONNECTOR, SAIDCOPPER BEING SPRAYED AT A SUFFICIENT VELOCITY WHEREBY THE COPPER PARTICLES PENETRATE THE SURFCE OF THE HOT ALUMINUM AND FORM AN INTERMEDIATE MIXED LAYER OF COPPER AND ALUMINUM PARTICLES BETWEEN .002 INCH AND .010 INCH IN THICKNESS ON WHICH AN OUTER LAYER OF COPPER MAY BE DEPOSITED.

References Cited (Backward Citations)

CA520729A Cited
US2081047A Cited
US2514474A Cited
US2662831A Cited
US2974400A Cited
US2833668A Cited
US2858520A Cited
US3031330A Cited
US2955886A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-08 1968-03-09 1968-09-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-08 1972-03-09 1972-09-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-08 1976-03-09 1976-09-08 $7700.00 Window Closed / Lapsed

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