Filter bag tensioning spacer

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Information

Patent Grant
D283537

References
Source

Patent Number
D283,537
Date Filed
Wednesday, July 20, 1983
41 years ago
Date Issued
Tuesday, April 22, 1986
38 years ago

Inventors
- Robert E. Mace
Original Assignees
- Standard Havens, Inc.
Examiners
- Largen; James R.
Agents
- Kokjer, Kircher, Bradley, Wharton, Bowman & Johnson

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 3
- D23 4
- D23 149
- D23 163
- 055 378
- 055 379
- 055 508
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a filter bag tensioning spacer, as shown and described.

US Referenced Citations (10)

Number	Name	Date	Kind
D268947	Clements	May 1983
2014298	Schneible	Sep 1935
2959247	Sare et al.	Nov 1960
2981368	Johnson	Apr 1961
3277634	Wheaton	Oct 1966
3881673	Peterson	May 1975
4113455	Richmond	Sep 1978
4303424	Wheeler	Dec 1981
4364758	Clements et al.	Dec 1982
4396408	Mace	Aug 1983