CPC A63H27/02
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CPC A63H27/02 is a patent technology category for model aircraft.[1][2]
References
- ↑ CPC A63H27/02 element at Espacenet web site
- ↑ CPC A63H27/02 element listed at USPTO
- Patents in category CPC A63H27/02
- Patent US-1909-935384 (Applicant person: William H. Martin, Filing date: 1908-01-03)
| Enclosing categories | CPC A63H27/00 |
|---|---|
| Subcategories | |
| Keywords | Fun, scale models |
| Start year | |
| End year |
