Classification bulletin. 400, rev. 2. Classification bulletin of United States Patent Office, consolidated index to clnssilicalion bulletins 103-43.1, containing definde classes arranged numerically with their titles and bulletin numbers arranged numerically.
Publication Title:
Classification bulletin of United States Patent Office, consolidated index to clnssilicalion bulletins 103-43.1, containing definde classes arranged numerically with their titles and bulletin numbers arranged numerically.
Display Title:
Classification bulletin. 400, rev. 2. Classification bulletin of United States Patent Office, consolidated index to clnssilicalion bulletins 103-43.1, containing definde classes arranged numerically with their titles and bulletin numbers arranged numerically.