Manhole cover

Follow

Information

Patent Grant
D306482

References
Source

Patent Number
D306,482
Date Filed
Monday, May 11, 1987
37 years ago
Date Issued
Tuesday, March 6, 1990
34 years ago

Inventors
- Joseph V. Milo
Original Assignees
- Universal Valve Co., Inc.
Examiners
- Word; A. Hugo
- Clark; Doris
Agents
- Steele, Gould & Fried

US Classifications
- D25 - Building units and construction elements
Field of Search
- US
- D25 47
- D25 36
- 404 25
- 404 26
- 404 36
- 052 19
- 052 20
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a manhole cover, as shown and described.

US Referenced Citations (5)

Number	Name	Date	Kind
17341	McColley	Sep 1890
D27673	Greger	Sep 1897
284203	Herr	Sep 1883
3920347	Sauriol et al.	Nov 1975
4523407	Miller	Jun 1985

Foreign Referenced Citations (1)

Number	Date	Country
92290	Jul 1896	DE2