Patent · US Expired

Manual swimming aid

USD262817S · kind S · design

12Cited by
2References
1Claims
0Family size

Inventor

Key dates

Filing dateFeb 4, 1980
Grant dateJan 26, 1982
Priority date
Expiry dateJan 26, 1996

Classification

  • Technology area (CPC —)General

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