Patent · US Expired

Casing with improved drain hole

US6728480B1 · kind B1 · utility

38Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 2003
Grant dateApr 27, 2004
Priority date
Expiry dateMar 6, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B17/08
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A casing for encasing equipment installed outdoors, such as a monitoring camera, includes a bottom having a drain hole formed through the bottom. The drain hole includes a first part and a second part having a larger inner diameter than the first part. The second part is open at an underside of the casing.

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