Multi-stranded coil spring
US7168117B2 · kind B2 · utility
30Cited by
36References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 2004 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Feb 19, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F3/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spring assembly including a helical coil formed from a multi-strand cord.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.