Mounts Patents (Class 89/37.01)
- Wheeled mortars (Class 89/40.02)
- On armored car (Class 89/40.03)
- Nonshielded motor driven guns (Class 89/40.04)
- On sleds (Class 89/40.05)
- On tripods (i.e., for light guns) (Class 89/40.06)
- Libers and caissons (Class 89/40.07)
- With hitches and couplings (Class 89/40.08)
- With training spades (Class 89/40.09)
- Carriage suspended for firing (Class 89/40.11)
- Traveling locks (Class 89/40.12)
- By separate transport carriage (Class 89/40.13)
- Components are separable for transport (Class 89/40.14)
- Trail carriages and links (Class 89/40.15)
- Railroad type (Class 89/40.16)