Spiral chute

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Information

Patent Grant
D296489

References
Source

Patent Number
D296,489
Date Filed
Thursday, July 23, 1987
37 years ago
Date Issued
Tuesday, June 28, 1988
36 years ago

Inventors
- Moolamkuzhiel R. V. Nair
Original Assignees
- POST OFFICE, A BRITISH CORP
Examiners
- Burke; Wallace R.
- Chin; Kay H.
Agents
- Larson & Taylor

US Classifications
- D34 - Material or article handling equipment
Field of Search
- US
- D34 28
- D34 29
- 193 12
- 209 434
- D21 244
- 272 565 R
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (7)

Number	Name	Date	Kind
803119	Logan	Oct 1905
973921	Dodge	Oct 1910
1784272	Constable	Dec 1930
1959736	Rademacher	May 1934
3565226	Winchester	Feb 1971
3755878	Henning	Sep 1973
3976176	Kurtz et al.	Aug 1976

Foreign Referenced Citations (2)

Number	Date	Country
54248	Apr 1985	CAX
1370043	Jun 1963	FRX

Continuations (1)

	Number	Date	Country
Parent	735642	May 1985