USPC 244/125

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U.S. patent classification 244/125 is for Airship hull construction Construction of hull and internal structure of lighter-than-air craft.[1]

References

  1. ↑ https://www.uspto.gov/web/patents/classification/uspc244/defs244.htm#C244S125000
Enclosing categories USPC 244/117
Subcategories
Keywords Frame, CPC B64B1/08
Start year
End year
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