Flapper flush valve for toilet tanks

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Information

Patent Grant
D281713

References
Source

Patent Number
D281,713
Date Filed
Monday, February 7, 1983
41 years ago
Date Issued
Tuesday, December 10, 1985
38 years ago

Inventors
- Erwin F. Mikol
Original Assignees
- BEATRICE COMPANIES, INC
Examiners
- Largen; James R.
Agents
- McWilliams, Mann, Zummer & Sweeney

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 1
- D23 19-22
- D23 33
- D23 40
- 004 392
- 004 393
- 004 395
- 004 403
- 004 404
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for flapper flush valve for toilet tanks, substantially as shown and described.

US Referenced Citations (10)

Number	Name	Date	Kind
D199223	Rennels	Sep 1964
D203378	Harold	Dec 1965
D238424	Schoepe	Jan 1976
D248313	Henry	Jun 1978
D248404	Henry	Jul 1978
2767406	Bennett	Oct 1956
3702012	Bennett	Nov 1972
3707733	Gore et al.	Jan 1973
4419773	Sullivan	Dec 1983
4497076	Sullivan	Feb 1983