Patent Yard Sign in
Australian application, no grantAustralia

Improved pressure reducing valve

AU 1949029380 · Applicant: Dunlop Rubber Company Limited

AusPat record

Overview

Drawings and full text

Its specification, documents and status are on IP Australia's AusPat.

Open the AusPat record

Read the whole patent

Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed August 18, 1949. Even if it was granted, its term would have ended by August 18, 1970.
  • A pharmaceutical extension adds at most five years, so even that would have ended by August 18, 1975.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 18, 1949
GrantedNo grant recorded
Term ended byAugust 18, 1970
Application numberAU 1949029380
Classification (IPC)G05D16/10

Timeline

Timeline From IP Australia dates

1950195319561959196219651968Application filedAug 18, 1949Term ended byAug 18, 1970

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.