Push block for use in guiding work pieces during cutting operations

Follow

Information

Patent Grant
D278790

References
Source

Patent Number
D278,790
Date Filed
Thursday, September 2, 1982
42 years ago
Date Issued
Tuesday, May 14, 1985
39 years ago

Inventors
- David B. Chaney
- Michael J. Duwell
Original Assignees
- SHOPSMITH, INC
Examiners
- Lucas; Susan J.
- Heflin; Clare E.
Agents
- Biebel, French & Nauman

US Classifications
- D08 - Tools and hardware
Field of Search
- US
- D08 47
- D32 52
- D32 45
- D04 24
- 015 2353-2358
- 144 251 R
- 083 4351
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a push block for use in guiding work pieces during cutting operations, substantially as shown and described.

US Referenced Citations (5)

Number	Name	Date	Kind
D236071	Zemke	Jul 1975
686339	Ritchie	Nov 1901
1825080	Morford	Sep 1931
2198974	Pilant	Apr 1940
3029459	Pruitt	Apr 1962

Foreign Referenced Citations (1)

Number	Date	Country
4410	Dec 1919	NLX