Patent · US Expired

Water trough

USD254754S · kind S · design

22Cited by
15References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 30, 1977
Grant dateApr 15, 1980
Priority date
Expiry dateApr 15, 1994

Classification

  • Technology area (CPC —)General

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