Spiral chute

Follow

Information

Patent Grant
D313298

References
Source

Patent Number
D313,298
Date Filed
Wednesday, March 9, 1988
37 years ago
Date Issued
Tuesday, December 25, 1990
35 years ago

Inventors
- Cetin B. Elmas
- David Tolond
Original Assignees
- POST OFFICE, A BRITISH CORP
Examiners
- Chin; Kay H.
Agents
- Merchant & Gould

US Classifications
- D34 - Material or article handling equipment
Field of Search
- US
- D34 29
- D34 28
- 193 12
- 198 778
- 272 565 R
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for spiral chute, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
1047355	Dec 1987	GBX

US Referenced Citations (12)

Number	Name	Date	Kind
D296489	Nair	Jun 1988
803119	Logan	Oct 1905
973921	Dodge	Oct 1910
1256724	Pardee	Feb 1918
1784272	Constable	Dec 1930
1802089	Pfeiffer	Apr 1931
1928459	Pardee	Sep 1933
1959736	Rademacher	May 1934
3565226	Winchester	Apr 1968
3755878	Henning	Sep 1973
3976176	Kurtz et al.	Aug 1976
4726456	Hogsett	Feb 1988

Foreign Referenced Citations (3)

Number	Date	Country
54248	Apr 1985	CAX
1370043	Jun 1963	FRX
59-227613	Dec 1984	JPX

Non-Patent Literature Citations (1)

Entry
"Conveyors and Related Equipment", A. Spivakovsky and V. Dyachkov, pp. 408-413.