U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Flow restrictor and trickle emitter

Patent 3998391 Issued on December 21, 1976. Estimated Expiration Date: Icon_subject December 21, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3791587

3815636

3834628

3882892

3887139

3896999

Inventor

Application

No. 561978 filed on 03/25/1975

US Classes:

239/542CONDUIT OR NOZZLE ATTACHED IRRIGATION-TYPE DECELERATOR

Examiners

Primary: Love, John J.

Attorney, Agent or Firm

International Class

A01G 25/02 (20060101)

Foreign Application Priority Data

1974-03-26 IL

Abstract

A flow restrictor and trickle emitter is composed of a hollow platelike element in the interior of which a conduit for the flow is provided meandering from one end of the element to the other, an inlet being provided at one end of the said conduit and an outlet or several outlets at various points thereof, means being provided within the said conduit forcing the flow to perform bows and bends within the stretches of conduit intermediate to the two ends of the body.

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