IPC Subgroup
G01C 9/22 with interconnected containers in fixed relation to each other
Introduced: September 1968
Last revised: January 2006
Full Title
Measuring inclination, e.g. by clinometers, by levels > by using liquids > the indication being based on the inclination of the surface of a liquid relative to its container > with interconnected containers in fixed relation to each other
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY