Copper tubing
US6655415B2 · kind B2 · utility
3Cited by
9References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2002 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Mar 4, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12292
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A continuous, seamless, copper tube having a mass in excess of 500 kilograms formed by an extrusion process and at an extrusion temperature of approximately 750 degrees Celsius.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.