Patent US77774A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3174690A Expired / Lapsed US ⏱️ 0.0 years remaining

Lawn sprinkler or the like

Assignee: Groove and Welter
•
Filing: 1963-08-15
•
Granted: 1965-03-23
•
Expires: 1983-08-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Wiesmann Heinrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 00:36
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3421; B05B1/3431; B05B1/3436; B05B1/3463; B05B15/00; B05B15/60; B05B15/62; B05B15/622

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 216 words
A LAWN SPRINKLER OR THE LIKE HAVING A SPINKLER HEAD COMPRISING A BELL-SHAPED CROSS-SECTIONALLY CIRCULAR UPWARDLY TAPERING HOUSING HAVING A DISCHARGE PORT FORMED THEREIN AT THE TOP THEREOF, A UNITARY BOTTOM ASSEMBLY CONNECTED WITH SAID HOUSING, SAID BOTTOM ASSEMBLY COMPRISING A BOTTOM PLATE HAVING AN AXIALLY UPWARDLY EXDING OUTER RIM WHICH IS CONNECTED WITH SAID BELL-SHAPED HOUSING AND HAVING A TUBULAR AXIALLY DOWNWARDLY DIRECTED WATER INLET BUSHING, ARCUATE WEBS EXTENDING AXIALLY UPWARDLY FROM SAID BOTTOM PLATE AND BEING RADIALLY INWARDLY SPACED FROM SAID OUTER RIM, AN INTERMEDIATE PLATE DISPOSED IN ENGAGEMENT WITH THE TOP EDGES OF SAID RIM AND SAID WEBS AND BEING FIXEDLY CONNECTED THEREWITH, SAID INTERMEDIATE PLATE FORMING WITH SAID RIM AND SAID WEBS PERIPHERALLY EXTENDING ARCUATE CHANNELS AND ALSO FORMING A CENTRAL CYLINDRICAL WATER INLET CHAMBER ABOVE SAID WATER INLET BUSHING, THE RESPECTIVE ENDS OF SAID ARCUATE WEBS BEING SPACED APART TO FORM RADIALLY INWARDLY FACING OPENINGS FOR COMMUNICATION WITH SAID WATER INLET CHAMBER, WATER FLOWING FROM SAID CHAMBER THROUGH SAID OPENINGS RADIALLY INTO SAID CHANNELS AND FLOWING THERETHROUGH FOR EXIT THEREFROM THROUGH AXIALLY DIRECTED OPENINGS FORMED IN SAID INTERMEDIATE PLATE, TO FLOW AT ACCELERATED VELOCITY TANGENTIALLY AND ALONG CIRCULARLY GYRATING PATHS INTO SAID BELL-SHAPED HOUSING TOWARD SAID DISCHARGE PORT, FOR OUTFLOW THEREFROM IN THE FORM OF A MORE OR LESS PRONOUNCED MIST.
Claim 2
Dependent Claim 216 words
A LAWN SPRINKLER OR THE LIKE HAVING A SPINKLER HEAD COMPRISING A BELL-SHAPED CROSS-SECTIONALLY CIRCULAR UPWARDLY TAPERING HOUSING HAVING A DISCHARGE PORT FORMED THEREIN AT THE TOP THEREOF, A UNITARY BOTTOM ASSEMBLY CONNECTED WITH SAID HOUSING, SAID BOTTOM ASSEMBLY COMPRISING A BOTTOM PLATE HAVING AN AXIALLY UPWARDLY EXDING OUTER RIM WHICH IS CONNECTED WITH SAID BELL-SHAPED HOUSING AND HAVING A TUBULAR AXIALLY DOWNWARDLY DIRECTED WATER INLET BUSHING, ARCUATE WEBS EXTENDING AXIALLY UPWARDLY FROM SAID BOTTOM PLATE AND BEING RADIALLY INWARDLY SPACED FROM SAID OUTER RIM, AN INTERMEDIATE PLATE DISPOSED IN ENGAGEMENT WITH THE TOP EDGES OF SAID RIM AND SAID WEBS AND BEING FIXEDLY CONNECTED THEREWITH, SAID INTERMEDIATE PLATE FORMING WITH SAID RIM AND SAID WEBS PERIPHERALLY EXTENDING ARCUATE CHANNELS AND ALSO FORMING A CENTRAL CYLINDRICAL WATER INLET CHAMBER ABOVE SAID WATER INLET BUSHING, THE RESPECTIVE ENDS OF SAID ARCUATE WEBS BEING SPACED APART TO FORM RADIALLY INWARDLY FACING OPENINGS FOR COMMUNICATION WITH SAID WATER INLET CHAMBER, WATER FLOWING FROM SAID CHAMBER THROUGH SAID OPENINGS RADIALLY INTO SAID CHANNELS AND FLOWING THERETHROUGH FOR EXIT THEREFROM THROUGH AXIALLY DIRECTED OPENINGS FORMED IN SAID INTERMEDIATE PLATE, TO FLOW AT ACCELERATED VELOCITY TANGENTIALLY AND ALONG CIRCULARLY GYRATING PATHS INTO SAID BELL-SHAPED HOUSING TOWARD SAID DISCHARGE PORT, FOR OUTFLOW THEREFROM IN THE FORM OF A MORE OR LESS PRONOUNCED MIST.

References Cited (Backward Citations)

US484074A Cited
US579873A Cited
US581785A Cited
US1376767A Cited
US2511945A Cited
US713670A Cited
US1216630A Cited
US2814526A Cited
US3067950A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-22 1968-09-21 1969-03-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-22 1972-09-21 1973-03-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-22 1976-09-21 1977-03-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag