Well monitor plug

Follow

Information

Patent Grant
D347880

References
Source

Patent Number
D347,880
Date Filed
Monday, November 16, 1992
32 years ago
Date Issued
Tuesday, June 14, 1994
30 years ago

Inventors
- Bryan R. Benson
Original Assignees
- Cherne Industries Incorporated
Examiners
- Reid; Stella
- Watterson; Eric
Agents
- Eggink; Anthony G.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- 411 34
- 411 35
- 411 36
- 411 37
- 411 38
- 411 49
- D23 233-237
- D23 244-249
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a well monitor plug, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D35188	Dodson, Jr.	Oct 1901
D329686	Mathison et al.	Jul 1992
D329687	Benson et al.	Jul 1992
1808411	Hinkston	Jun 1931
3489312	Hunckler et al.	Jan 1970
4493344	Mathison et al.	Jan 1985
4809949	Rakieski	Mar 1989
4968197	Chen	Nov 1990

Non-Patent Literature Citations (1)

Entry
Morrison Bros. Co., Dubuque, Ia., Monitoring Well Specification Guide, Apr., 1989, pp. 1-3 and 6.