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Class Information
Number: 33/369
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Line level type
Description: Device including, or adapted to cooperate with, a line in such a manner as to indicate when the line is horizontal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7363719 |
Pocket level |
Apr. 29, 2008 |
| 6829836 |
Material dispensing apparatus with line level |
Dec. 14, 2004 |
| 6581295 |
Material dispensing apparatus with line level |
Jun. 24, 2003 |
| 6148529 |
Multipurpose retractable leveling device |
Nov. 21, 2000 |
| 6094833 |
Tape blade level |
Aug. 1, 2000 |
| 5758858 |
Paralleling device and method of using |
Jun. 2, 1998 |
| 5659967 |
Line level |
Aug. 26, 1997 |
| 5330179 |
Golfer's putting aid |
Jul. 19, 1994 |
| 5044087 |
Line level apparatus |
Sep. 3, 1991 |
| 4669195 |
Guide line angle indicator |
Jun. 2, 1987 |
| 4462167 |
Angle/level meter |
Jul. 31, 1984 |
| 4422243 |
Dual axis capacitive inclination sensor |
Dec. 27, 1983 |
| 4335522 |
Up, down or horizontal plumb bob |
Jun. 22, 1982 |
| 4204334 |
Precision gravity responsive angle indicator |
May. 27, 1980 |
| 4068386 |
Line level |
Jan. 17, 1978 |
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