Drum head with sound attenuating annular coating
US5920021A · kind A · utility
13Cited by
10References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1998 |
| Grant date | Jul 6, 1999 |
| Priority date | — |
| Expiry date | Apr 6, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D13/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A sound attenuating drum head that comprises a support ring, a synthetic membrane carried by the ring, a thin coating extending in an annular direction on the membrane, and acting to attenuate vibration of the head, when struck.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.