Patent · US Expired

Invalid hoist

USD355293S · kind S · design

16Cited by
11References
1Claims
0Family size

Inventor

Key dates

Filing dateOct 8, 1993
Grant dateFeb 7, 1995
Priority date
Expiry dateFeb 7, 2009

Classification

  • Technology area (CPC —)General

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