USPC 244/136
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U.S. patent classification 244/136 is for Material discharging and diffusing: Arrangements of aircraft structure to provide for the discharging or diffusing of material in the air.[1]
Related classes
- USPC 40 Card, Picture, or Sign Exhibiting, subclass USPC 40/213 for skywriting devices, and subclass USPC 40/216 for pamphlet distributing devices from aircraft.
- USPC 89 Ordnance, subclass USPC 40/1.5 for bomb, flare, and signal dropping; subclasses USPC 40/1.51+ , for bomb-dropping devices
References
- ↑ Defintion of class 244/136 on uspto.gov
- Patents in this category
- Patent US-1885-315712
- Patent US-1916-1187981 (Applicant person: John T Doucette)
| Enclosing categories | USPC 244/117 |
|---|---|
| Subcategories | |
| Keywords | Projectile, CPC B64D1/04 |
| Start year | |
| End year |
