Drum

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Information

Patent Grant
D322502

References
Source

Patent Number
D322,502
Date Filed
Monday, August 15, 1988
36 years ago
Date Issued
Tuesday, December 17, 1991
32 years ago

Inventors
- David L. Waltke
Original Assignees
- HOOVER GROUP, INC
Examiners
- Feifer; Melvin B.
- Lieberman; Lucy
Agents
- Harness, Dickey & Pierce

US Classifications
- D34 - Material or article handling equipment
- D23 - Environmental heating and cooling
Field of Search
- US
- D34 39
- D34 7-11
- D23 202-205
- D09 435
- D09 454
- D09 349-355
- D09 390-399
- D09 368
- D09 356
- D09 377
- 220 908
- 220 2383
- 220 236
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a drum, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D226630	Gentile	Apr 1973
D271857	Callahan	Dec 1983
D276139	Rayner	Oct 1984
D280076	Haag, Sr.	Aug 1985
D305259	Granberg et al.	Dec 1989
1101286	Jones	Jun 1914
1283710	Evenson	Nov 1918
4867340	Byers	Sep 1989