A check of copyright.gov confirms that only 5 items related to Patsy Mink have been renewed (Searched Patsy Mink and Patsy Takemoto as a title, keyword, and name): the film PA0001633633/2009-04-28 Patsy Mink: Ahead of the Majority; a photograph by Ricardo A. Finney, VAu001278462/2017-06-16 USS Reagan Escorted Into Pearl Harbor By ASD Patsy Mink; an oil painting by Setsuko Aihara, VAu000651384/2005-01-26 Portrait of the late congresswoman Patsy Mink; a sculpture by Helen Young (dba Holly Young) VAu001361793/2019-02-26 Patsy T. Mink Monument; and a book, by Sue Davidson TX0005485327/2001-12-19, A Heart in Politics: Jeannette Rankin and Patsy T. Mink. No items were renewed for Ka Palapala as a title, keyword or name, nor for any yearbook associated with the University of Hawaii. The 1948 Catalog of Copyright Entries contains no copyrighted material by Ka Palapala or the University of Hawaii or concerning Mink/Takemoto.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
Uploaded a work by unknown from [https://scholarspace.manoa.hawaii.edu/handle/10125/34285 ''Ka Palapala''. ( 1948) Honolulu: University of Hawaii. p. 46] with UploadWizard