Training fin device for swimming
US4948385A · kind A · utility
18Cited by
6References
12Claims
0Family size
Inventor
Key dates
| Filing date | Dec 30, 1988 |
| Grant date | Aug 14, 1990 |
| Priority date | — |
| Expiry date | Dec 30, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B31/11
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed herein is a training fin for swimming which includes a foot section having an enclosure for retaining a user's foot in the fin and a tail section attached to the foot section. The tail section has a surface area of approximately between 0.5 and 1.0 times the surface area of the foot section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.