Patent · US Expired

Flexible plumbing trap

US4516278A · kind A · utility

45Cited by
15References
15Claims
0Family size

Inventor

Key dates

Filing dateOct 27, 1980
Grant dateMay 14, 1985
Priority date
Expiry dateOct 27, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/4576
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A plumbing trap is described for use with drain pipes from sinks or other fixtures that fits pipe of different diameters, which drain pipes need not be in perfect alignment, and may be of a different diameter at the entrance than at the exit of the trap. The trap can be easily attached and detached, is molded of a flexible plastic which provides a soft structure that can be manually manipulated to discharge obstructions therefrom without removal from the drain pipes, and is impervious to most chemicals.

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