Light weight sewer cable
US8984698B1 · kind B1 · utility
26Cited by
17References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 2012 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Aug 20, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/294
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Lightweight sewer cable that may include an elongate central resilient non-metallic core member, an elongate metallic helical coil spring surrounding the core member, and an elongate non-metallic spacer between the core member and the coil spring are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.