Automatic builder's level or the like
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Description
FIG. 1 is a top left front perspective view of an automatic builder's level or the like showing my new design;
FIG. 2 is a rear elevational view thereof.
Referenced Cited
U.S. Patent Documents
Other references
| D235318 | June 1975 | Kooi |
| D235319 | June 1975 | Kooi |
| D235524 | June 1975 | Kooi |
| D235525 | June 1975 | Kooi |
| 3475101 | October 1969 | Jeffery |
- Keuffel & Esser Cat. #10, 1976, p. 32, Ni2, Self-Leveling Level.
Patent History
Patent number: D252918
Type: Grant
Filed: Aug 19, 1977
Date of Patent: Sep 18, 1979
Assignee: Keuffel & Esser Company (Morristown, NJ)
Inventor: J. Peter E. Kooi (Succasunna, NJ)
Primary Examiner: Nelson C. Holtje
Attorney: Lionel N. White
Application Number: 5/826,093
Type: Grant
Filed: Aug 19, 1977
Date of Patent: Sep 18, 1979
Assignee: Keuffel & Esser Company (Morristown, NJ)
Inventor: J. Peter E. Kooi (Succasunna, NJ)
Primary Examiner: Nelson C. Holtje
Attorney: Lionel N. White
Application Number: 5/826,093
Classifications
