Patent · US Expired

Training tennis racquet

USD242937S · kind S · design

2Cited by
1References
1Claims
0Family size

Inventor

Key dates

Filing dateSep 22, 1975
Grant dateJan 4, 1977
Priority date
Expiry dateJan 4, 1991

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.