Patent · US Expired

Grease pump

USD257739S · kind S · design

6Cited by
5References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 18, 1978
Grant dateDec 30, 1980
Priority date
Expiry dateDec 30, 1994

Classification

  • Technology area (CPC —)General

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