Patent · US Expired

Alarm and page signal transmitter

USD255882S · kind S · design

27Cited by
4References
1Claims
0Family size

Inventor

Key dates

Filing dateApr 21, 1978
Grant dateJul 15, 1980
Priority date
Expiry dateJul 15, 1994

Classification

  • Technology area (CPC —)General

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