USD274227SExpiredUtility

Hydraulic filter press for pressing liquid from a drilling mud or the like

Assignee: HALLIBURTON COPriority: Mar 9, 1981Filed: Mar 9, 1981Granted: Jun 12, 1984

Est. expiryMar 9, 2001(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a hydraulic filter press for pressing liquid from a drilling mud or the like, as shown and described.

Join the waitlist — get patent alerts

Track USD274227S — get alerts on status changes and closely related new filings.

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