Calculator or similar article

Follow

Information

Patent Grant
D307290

References
Source

Patent Number
D307,290
Date Filed
Wednesday, November 25, 1987
38 years ago
Date Issued
Tuesday, April 17, 1990
35 years ago

Inventors
- Ray Chen
Original Assignees
- Cal-Comp Electronics, Inc.
Examiners
- Holtje; Nelson C.
- Veynar; Caron D.
Agents
- Kenyon & Kenyon

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 1
- D18 2
- D18 6
- D18 7
- D18 11
- D18 12
- 340 365
- 340 700
- 364 706-710
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a calculator or similar article, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D190374	Yubisui et al.	Jun 1987
D250430	Nishiguchi	Nov 1978
D261398	Hirata et al.	Oct 1981
D273199	Sawada	Mar 1984
D279106	Sawada et al.	Jun 1985
D284869	Kurihara	Jul 1986
D294280	Yubisui et al.	Feb 1988