| |
 |
|
Class Information
Number: 33/381
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Liquid type, upper surface utilizing > Bubble > Plural
Description: Device including a plurality of said nearly filled receptacles.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7363719 |
Pocket level |
Apr. 29, 2008 |
| 7350305 |
Laser activated audible signal emitting leveler |
Apr. 1, 2008 |
| 7159328 |
Measurement gauge incorporating a level |
Jan. 9, 2007 |
| 7047654 |
Retainer clips for securing a cylindrical level vial |
May. 23, 2006 |
| 7024781 |
Vial illumination feature for a tool such as a level |
Apr. 11, 2006 |
| 6912793 |
Vial and method of making same |
Jul. 5, 2005 |
| 6735880 |
Vial and method of making same |
May. 18, 2004 |
| 6640456 |
Level with attachments |
Nov. 4, 2003 |
| 6625895 |
Servo-controlled automatic level and plumb tool |
Sep. 30, 2003 |
| 6615500 |
Door jamb square |
Sep. 9, 2003 |
| 6477781 |
Angle spirit level device |
Nov. 12, 2002 |
| 6442853 |
Door jamb square |
Sep. 3, 2002 |
| 6148530 |
Level with snap action vial holder |
Nov. 21, 2000 |
| 6070336 |
Framing tool |
Jun. 6, 2000 |
| 6041510 |
Extension level, square and length gauge |
Mar. 28, 2000 |
| 6029360 |
Multi-angle pocket level |
Feb. 29, 2000 |
| 5940978 |
Builder's level with hand-grip feature |
Aug. 24, 1999 |
| 5839200 |
Multi-function horizontal and vertical alignment tool |
Nov. 24, 1998 |
| 5836081 |
Light beam leveling means and method |
Nov. 17, 1998 |
| 5749152 |
Spirit level vial construction |
May. 12, 1998 |
| 5619800 |
Parallevel alignment system |
Apr. 15, 1997 |
| 5406714 |
Level vial assembly |
Apr. 18, 1995 |
| 5263584 |
Method for protectively encasing a level |
Nov. 23, 1993 |
| 5239761 |
Multiple-purpose measuring instrument |
Aug. 31, 1993 |
| 5119936 |
Structure and method for protectively encasing a level |
Jun. 9, 1992 |
| 5075978 |
Illuminated spirit level |
Dec. 31, 1991 |
| 5033199 |
Level vial holder assembly |
Jul. 23, 1991 |
| 4996777 |
Snap-in level vial cover |
Mar. 5, 1991 |
| 4991303 |
Level with multi-position vial holder |
Feb. 12, 1991 |
| 4979310 |
Composite level including an indexing system for aligning the frame with the cover plates |
Dec. 25, 1990 |
| 4912854 |
Cross vial liquid bubble illuminated level |
Apr. 3, 1990 |
| 4894925 |
Extendable level |
Jan. 23, 1990 |
| 4862595 |
Extension level |
Sep. 5, 1989 |
| 4860459 |
Bubble level |
Aug. 29, 1989 |
| 4829676 |
Hands-free level indicating device |
May. 16, 1989 |
| 4685219 |
Spirit level |
Aug. 11, 1987 |
| 4663856 |
Strap-on leveling/plumbing device kit |
May. 12, 1987 |
| 4635377 |
T-square apparatus |
Jan. 13, 1987 |
| 4607437 |
Adjustable level |
Aug. 26, 1986 |
| 4581828 |
Spirit level |
Apr. 15, 1986 |
| 4534117 |
Spirit level |
Aug. 13, 1985 |
| 4524527 |
Combination level system for a thin rule |
Jun. 25, 1985 |
| 4461090 |
Headlamp adjuster |
Jul. 24, 1984 |
| 4419833 |
Composite level construction |
Dec. 13, 1983 |
| 4402141 |
Leveling mechanisms for hand-held power drill |
Sep. 6, 1983 |
| 4295279 |
Hand tool leveling apparatus |
Oct. 20, 1981 |
| 4109392 |
Pocket level |
Aug. 29, 1978 |
| 4100681 |
Picture frame leveling device |
Jul. 18, 1978 |
| 3984919 |
Leveling device |
Oct. 12, 1976 |
|
|
|
