USPC 244/144

From Inventing aviation
Jump to navigation Jump to search

U.S. patent classification subclass 244/144 was for patents related to Aircraft elements which can be converted to parachutes.[1][2]

References

  1. Description of category USPC 244/144 at uspto.gov
  2. Class 244: Aeronautics, Manual of U.S. Patent Classification, as of June 30, 2000

This wiki has 22 patents in category "USPC 244/144".

Patents in category USPC 244/144

Enclosing categories USPC 244/142
Subcategories
Keywords
Start year
End year