Surveying instrument

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Information

Patent Grant
D333276

References
Source

Patent Number
D333,276
Date Filed
Thursday, July 5, 1990
35 years ago
Date Issued
Tuesday, February 16, 1993
32 years ago

Inventors
- Volker Donn
Original Assignees
- Carl-Zeiss-Stiftung Heidenheim/Brenz
Examiners
- Douglas; Alan P.
- Davis; Antoine F.
Agents
- Hopgood, Calimafde, Kalil, Blaustein & Judlowe

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 62
- D10 65
- D10 66
- D10 103
- 033 290
- 033 291-299
- 356 138-155
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a surveying instrument, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
9000370	Jan 1990	DEX

US Referenced Citations (4)

Number	Name	Date	Kind
D252918	Kooi	Sep 1979
D268910	Shipp et al.	May 1983
D270816	Hays, Jr. et al.	Oct 1983
2774275	Keller	Dec 1986

Non-Patent Literature Citations (1)

Entry
Keuffel & Esser Co., Automatic Self-leveling level Ni2, Sep. 1955, cover page.