USPC 244/124
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This US patent classification subclass is for patents related to the construction of airfoil elements which made up of separate sections and attached together.[1]
References
Patents in category USPC 244/124
- Patent US-1911-1061917 (English title: Aeroplane, Inventors: Silas N. Malterner, Filing date: 1911-05-20)
- Patent US-1912-1048509 (Inventors: Willard C DURGAN, Filing date: 1912-06-04)
- Patent US-1912-1050530 (English title: Aeroplane-blade construction, Inventors: Johan Richard Froberg, Filing date: 1912-06-25)
| Enclosing categories | USPC 244, USPC 244/123.1 |
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