USD317644SExpiredUtility

Combined pressure regulator filter and lubricator

75
Assignee: CKD CORPPriority: Sep 30, 1988Filed: Mar 30, 1989Granted: Jun 18, 1991
Est. expirySep 30, 2008(expired)· nominal 20-yr term from priority
Inventors:Yasuyuki ItoTatsuaki AoyamaHisanobu Niwa
75
PatentIndex Score
16
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined pressure regulator, filter, and lubricator as shown.

Join the waitlist — get patent alerts

Track USD317644S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.