CPC B64C27/06
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Category tree above CPC B64C27/06:
- CPC B64C27/00 Rotorcraft; Rotors peculiar thereto (alighting gear B64C25/00)
- CPC B64C27/04 Helicopters
- CPC B64C27/06 with single rotor
- CPC B64C27/04 Helicopters
References
- ↑ CPC B64C27/06 element at Espacenet web site
- ↑ CPC B64C27/06 element listed at USPTO
This wiki has 2 patents in category "CPC B64C27/06".
Patents in category CPC B64C27/06
- Patent US-1907-864672 (English title: Air-Ship, Inventors: Charles McCormick, Filing date: 1906-12-17)
- Patent US-1916-1184571 (English title: Flying machine, Inventors: Charles M Richardson, Filing date: 1915-07-30)
| Enclosing categories | CPC B64C27/04 |
|---|---|
| Subcategories | |
| Keywords | Helicopter |
| Start year | |
| End year |
