USPC 244/99
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A subset of USPC 244/96, navigation for LTA craft, dealing with releasing buoyant gas.[1]
Gas release:
This subclass is indented under subclass 96. Devices and arrangements for releasing the buoyant gas from lighter-than-air craft.[1]
References
- ↑ 1.0 1.1 USPC 244/99 classification info at uspto.gov
| Enclosing categories | USPC 244/96 |
|---|---|
| Subcategories | |
| Keywords | Balloon |
| Start year | |
| End year |
