← Back to Patent Explorer
US4094466A Expired / Lapsed US ⏱️ 0.0 years remaining

Irrigation apparatus

Assignee: Individual
•
Filing: 1977-01-24
•
Granted: 1978-06-13
•
Expires: 1997-01-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A device for underground drainage and irrigation of soil. The device includes a porous element which can be engaged about a distribution pipe at a perforation or opening in the pipe. In one form, the porous element comprises an annular flange connecting adjacent pipe sections. In another embodiment, the element can be clipped over an aperture or orifice in the pipe.

Inventors

  • 👤 Oscar DeRomano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 19:56
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/06; E; E02; E02B; E02B11/00; E02B11/005

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 205 words
An irrigation apparatus for use with a cylindrical distribution pipe having apertures at spaced locations along the pipe, said apparatus comprising: a porous structurally rigid, solid body formed by sintering a quantity of plastic particles leaving interstitial spaces therebetween and thereby permitting flow of water therethrough, said body having a generally cylindrical shape with a central longitudinal axis adapted to be parallel with the axis of said distribution pipe, the lower portion of said body having a hollow portion extending therethrough with the longitudinal axis thereof parallel to the central axis of said body, said hollow portion having a cross-section which is at least semi-circular and wherein the greatest extent of said hollow portion into said body is at the central axis of said body, said hollow portion forming with said body two longitudinally extending, transversely depending sections which are adapted to conform to the exterior surface of said distribution pipe so that the apparatus can be engaged and retained in a self-supporting position by clipping the body in place about the distribution pipe over at least one of said apertures to distribute and diffuse a flow of fluid from said aperture into the area surrounding the apparatus at low pressure and low flow rates.
Claim 2
Dependent Claim 205 words
An irrigation apparatus for use with a cylindrical distribution pipe having apertures at spaced locations along the pipe, said apparatus comprising: a porous structurally rigid, solid body formed by sintering a quantity of plastic particles leaving interstitial spaces therebetween and thereby permitting flow of water therethrough, said body having a generally cylindrical shape with a central longitudinal axis adapted to be parallel with the axis of said distribution pipe, the lower portion of said body having a hollow portion extending therethrough with the longitudinal axis thereof parallel to the central axis of said body, said hollow portion having a cross-section which is at least semi-circular and wherein the greatest extent of said hollow portion into said body is at the central axis of said body, said hollow portion forming with said body two longitudinally extending, transversely depending sections which are adapted to conform to the exterior surface of said distribution pipe so that the apparatus can be engaged and retained in a self-supporting position by clipping the body in place about the distribution pipe over at least one of said apertures to distribute and diffuse a flow of fluid from said aperture into the area surrounding the apparatus at low pressure and low flow rates.

References Cited (Backward Citations)

US2052020A Cited
US2653449A Cited
US3279773A Cited
US3583635A Cited
US3874591A Cited
US3840182A Cited
US3880965A Cited
US3901448A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-06-12 1981-12-12 1982-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-06-12 1985-12-12 1986-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-06-12 1989-12-12 1990-06-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag