Patent · US Expired

Surveyor's stake

USD274412S · kind S · design

3Cited by
8References
1Claims
0Family size

Inventor

Key dates

Filing dateApr 16, 1981
Grant dateJun 26, 1984
Priority date
Expiry dateJun 26, 1998

Classification

  • Technology area (CPC —)General

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