Patent Yard Sign in
Expired, full termArchiveSolo inventor

Hydrocarbon oil composition

US 3,017,357 A · Inventors: CYBA HENRYK A

USPTO PDF

Overview

This document has no drawings.

Claude can sketch it from the patent text.

Read the whole patent

Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted January 16, 1962. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 16, 1979.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 12, 1958
GrantedJanuary 16, 1962
Term endedJanuary 16, 1979
Application number—
Classification (CPC)C07F9/08 +2 more
Length7 pages

Sources & verification