Patent · US Expired

Buoyant alarm device

US4644328A · kind A · utility

12Cited by
7References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1982
Grant dateFeb 17, 1987
Priority date
Expiry dateOct 29, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S200/08
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An improved buoyant alarm device which provides an indication of a disturbance to a quiescent level of a body of water. The device includes a cover assembly and a buoyant body. The cover assembly includes a cover member and a support member. The support member provides a subassembly support for electrical components which are mounted thereto and for forming, with the cover member, an enclosed water-tight chamber for housing the electrical components.

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