Shock absorbing guard
US3997149A · kind A · utility
4Cited by
9References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 6, 1975 |
| Grant date | Dec 14, 1976 |
| Priority date | — |
| Expiry date | Jun 6, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B2071/0063
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An impact or shock absorbing guard for padding structural elements such as poles or the like found on playgrounds, schoolyards, etc. to prevent injuries. The shock absorbing guard affords three stages of impact energy absorption and long service life.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.