Program: HathiTrust Digital Library

  • Publisher: U.S. Office of Patent Classifications
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 10353529
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
Bulletin no.19 1907; Bulletin no.21 1908; Bulletin no.23-41 1909-1918; Bulletin no.42-45 1918-1921; Bulletin no.46-57 1921-1926; no.311-323 1950; no.1-25 1967; no.116-140 1967; no.180-210 1967; no.340-408 1967; no.26-50 1968; no.51-65 1968; no.66-90 1968; no.141-161 1968; no.162-179 1968; no.281-310 1969; no.415-444 1969
committed to retain 2010-12-11 HTDL