Multi-vial level attachment for hand-held drills

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Information

Patent Grant
D305202

References
Source

Patent Number
D305,202
Date Filed
Thursday, April 24, 1986
38 years ago
Date Issued
Tuesday, December 26, 1989
34 years ago

Inventors
- David A. Johnson
Original Assignees
- Arcair Company
Examiners
- Dunkins; Bruce W.
- Heflin; Clare E.
Agents
- Simmons; James C.

US Classifications
- D08 - Tools and hardware
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D08 14
- D08 62-70
- D10 69
- D10 74
- 033 334
- 033 347
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a multi-vial level attachment for hand-held drills, as shown and described.

US Referenced Citations (7)

Number	Name	Date	Kind
D162841	King	Apr 1951
D255504	Vanderwerf	Jun 1980
1333559	Moulton	Mar 1920
2820302	Mitchell	Jan 1958
4125944	Esposito et al.	Nov 1978
4141151	Jansky	Feb 1979
4393599	Sterrenberg	Jul 1983

Foreign Referenced Citations (1)

Number	Date	Country
1934717	Feb 1970	DEX

Non-Patent Literature Citations (2)

Entry
Dejon Co. advertising mailer for the "Drill-Level".
Do-It-Yourself retailing Aug. 1986, p. 32, "Drill-Level".