Section of a shaftless spiral conveyor

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Information

Patent Grant
D323414

References
Source

Patent Number
D323,414
Date Filed
Wednesday, May 10, 1989
36 years ago
Date Issued
Tuesday, January 21, 1992
33 years ago

Inventors
- Richard L. Bruke
Original Assignees
- Spirac Engineering AB
Examiners
- Burke; Wallace R.
- Baynham; H.
Agents
- Ladas & Parry

US Classifications
- D34 - Material or article handling equipment
Field of Search
- US
- D34 29
- 198 778
- 193 12
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a section of a shaftless spiral conveyor, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
88-2561	Nov 1986	SEX

US Referenced Citations (8)

Number	Name	Date	Kind
D292938	Tarlton et al.	Nov 1987
D296489	Nair	Jun 1988
705365	Law	Jul 1902
961340	Cormack	Jun 1910
973921	Dodge	Oct 1910
3565226	Winchester	Feb 1971
3976176	Kurtz et al.	Aug 1976
4269302	Garvey	May 1981

Foreign Referenced Citations (1)

Number	Date	Country
294187	Apr 1965	NLX