Patent US77774A successfully refreshed from Google Patents.
US3174690A
Expired / Lapsed
US
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Lawn sprinkler or the like
Assignee: Groove and Welter
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Filing: 1963-08-15
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Granted: 1965-03-23
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Expires: 1983-08-15
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.
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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 |