Safety hoop for drum
US8563841B1 · kind B1 · utility
9Cited by
2References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2011 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Jan 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D13/02
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Drum structure comprising, in combination a drum shell and a drum head, and a counter hoop to be supported by the shell proximate the head and having an edge shaped to resist or prevent drum stick damage, there being a drainage gap or opening providing access between the counter hoop and its side wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.