Additive liquid metering device

Follow

Information

Patent Grant
D283831

References
Source

Patent Number
D283,831
Date Filed
Tuesday, July 5, 1983
42 years ago
Date Issued
Tuesday, May 13, 1986
39 years ago

Inventors
- Mitchell E. Maddock
Examiners
- Burke; Wallace R.
- Wilder; Lynn
Agents
- Mybeck; Richard R.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D15 5
- D23 19
- D23 20
- D23 21
- D23 22
- D23 31
- D23 40
- 366 150
- 366 165
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an additive liquid metering device, as shown.

US Referenced Citations (3)

Number	Name	Date	Kind
D170313	Franck	Sep 1953
D269633	Willinger et al.	Jul 1983
D276369	Clawson et al.	Nov 1984