Patent · US Expired

Lens for a revolving lamp

USD245447S · kind S · design

15Cited by
1References
1Claims
0Family size

Inventors

Key dates

Filing dateJul 23, 1974
Grant dateAug 16, 1977
Priority date
Expiry dateAug 16, 1991

Classification

  • Technology area (CPC —)General

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