Supporting handle
US4335487A · kind A · utility
7Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 1980 |
| Grant date | Jun 22, 1982 |
| Priority date | — |
| Expiry date | Jan 8, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/463
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A U-shaped cooler handle of high density polypropylene plastic has three rigid hollow blow-molded portions with adjacent portions interconnected by solid flexible webs at the corners.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.