IPC Subgroup
F41G 1/44 Spirit-level adjusting-means, e.g. for correcting tilt
Introduced: September 1968
Last revised: January 2006
Full Title
Sighting devices > Spirit-level adjusting-means, e.g. for correcting tilt
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- WEAPONS
- Subclass:
- WEAPON SIGHTS; AIMING