Signal transmission device for blasting assembly

Follow

Information

Patent Grant
D293928

References
Source

Patent Number
D293,928
Date Filed
Thursday, September 27, 1984
40 years ago
Date Issued
Tuesday, January 26, 1988
36 years ago

Inventors
- Lars-Gunnar Lofgren
Original Assignees
- NITRO-NOBEL A.B
Examiners
- Word; A. Hugo
Agents
- Frishauf, Holtz, Goodman & Woodward

US Classifications
- D22 - Arms, pyrotechnics, hunting and fishing equipment
Field of Search
- US
- D22 112
- 102 27512
- 102 222
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a signal transmission device for blasting assembly, as shown and described.

Priority Claims (2)

Number	Date	Country	Kind
84-1009	Mar 1984	SEX
84-1010	Mar 1984	SEX

US Referenced Citations (3)

Number	Name	Date	Kind
4426933	Yunan	Jan 1984
4481884	Yunan	Nov 1984
4539909	Day et al.	Sep 1985