| |
 |
|
Class Information
Number: 33/451
Name: Geometrical instruments > Straightedge type > Combined with level
Description: Subject matter having means to assist in the alignment of the straightedge with respect to the direction of the force of gravity comprising gravity indicating means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7409772 |
Apparatus and methods for level and/or straight edge tools |
Aug. 12, 2008 |
| 7363719 |
Pocket level |
Apr. 29, 2008 |
| 7360316 |
Level |
Apr. 22, 2008 |
| 7340841 |
Slope level |
Mar. 11, 2008 |
| 7316074 |
Level |
Jan. 8, 2008 |
| 7302763 |
Adjustable jig for use when installing bargeboards |
Dec. 4, 2007 |
| 7299560 |
Multi-purpose tool |
Nov. 27, 2007 |
| 7281335 |
Carpenter's level |
Oct. 16, 2007 |
| 7243436 |
T-bevel plumb tool |
Jul. 17, 2007 |
| 7228637 |
Impact-absorbing end caps for levels |
Jun. 12, 2007 |
| 7204029 |
Level |
Apr. 17, 2007 |
| 7204030 |
Laser tool |
Apr. 17, 2007 |
| 7171755 |
Picture hanging level |
Feb. 6, 2007 |
| 7155840 |
Device for mounting decorative and functional items |
Jan. 2, 2007 |
| 7150107 |
Structure and method for holding and protecting vials in levels |
Dec. 19, 2006 |
| 7150106 |
Method of using a level |
Dec. 19, 2006 |
| 7117606 |
Pocket-sized leveling tool |
Oct. 10, 2006 |
| 7117608 |
Spirit level |
Oct. 10, 2006 |
| 7089676 |
Attaching level |
Aug. 15, 2006 |
| 7073270 |
Impact-absorbing end caps for levels |
Jul. 11, 2006 |
| 7028413 |
Level stamp |
Apr. 18, 2006 |
| 7028411 |
Level and chalk line marker |
Apr. 18, 2006 |
| 6996911 |
Combination level and squaring tool |
Feb. 14, 2006 |
| 6988320 |
Level |
Jan. 24, 2006 |
| 6973733 |
Straightedge with handle and level |
Dec. 13, 2005 |
| 6968627 |
Slope determination system |
Nov. 29, 2005 |
| 6966119 |
Three sided adjustable level and assembly |
Nov. 22, 2005 |
| 6915588 |
Spirit level |
Jul. 12, 2005 |
| 6912794 |
Bricklayer's combination level and plumb |
Jul. 5, 2005 |
| 6912792 |
Apparatus for determining a level surface |
Jul. 5, 2005 |
| 6892467 |
Method and apparatus for edge locating and angle setting |
May. 17, 2005 |
| 6883244 |
Picture alignment and hanging device |
Apr. 26, 2005 |
| 6874240 |
Angle measuring and level combination device |
Apr. 5, 2005 |
| 6839974 |
Multi-function layout square with laser |
Jan. 11, 2005 |
| 6818824 |
Wiring device ganging tool |
Nov. 16, 2004 |
| 6807743 |
Square level |
Oct. 26, 2004 |
| 6792686 |
Level |
Sep. 21, 2004 |
| 6763598 |
Laser level with lens switching mechanism |
Jul. 20, 2004 |
| 6748666 |
Spirit level |
Jun. 15, 2004 |
| 6742271 |
Retractable straightedge framing square integrable to a level |
Jun. 1, 2004 |
| 6739065 |
Picture hanging device |
May. 25, 2004 |
| 6694632 |
Level |
Feb. 24, 2004 |
| 6679609 |
Laser beam irradiation device |
Jan. 20, 2004 |
| 6678961 |
Combined chalk line and articulated level device |
Jan. 20, 2004 |
| 6675490 |
Level |
Jan. 13, 2004 |
| 6658752 |
Extensible carpenter's level |
Dec. 9, 2003 |
| 6615500 |
Door jamb square |
Sep. 9, 2003 |
| 6577388 |
Laser level with protective housing |
Jun. 10, 2003 |
| 6543148 |
Level with plumb alignment features |
Apr. 8, 2003 |
| 6543144 |
Multipurpose tool |
Apr. 8, 2003 |
|
|
|
