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
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 10:56
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.
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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) | 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 |