US3263930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Irrigation sprinkler
Assignee: Skinner Irrigation Co Inc
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Filing: 1964-09-11
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Granted: 1966-08-02
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Anton R J Friedmann
- 👤 Demido Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:23
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B15/00; B05B15/70; B05B15/72; B05B15/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
AN IRRIGATION SPRINKLER ADAPTED TO BE INSTALLED WITHIN THE GROUND AND INCLUDING A ROTARY POP-UP NOZZLE AND A MECHANISM FOR EASILY ADJUSTING THE SPEED OF ROTATION OF THE NOZZLE, COMPRISING A HOUDING HAVING AN OPEN TOP AND A BOTTOM INCLUDING MEANS DEFINING AN INLET COUPLING ADAPTED TO BE CONNECTED TO A LIQUID SUPPLY LINE, A COVER FOR THE TOP OF SAID HOUSING AND INCLUDING A CENTRAL OPENING THEREIN, A TUBULAR NOZZLE STEM ROTATABLY MOUNTED WITHIN SAID OPENING AND ADAPTED TO POP UPWARDS IN RESPONSE TO WATER PRESSURE WITHIN SAID HOUSING, AN IMPELLER, MEANS FOR MOUNTING SAID IMPELLER ON SAID STEM FOR FREE ROTATION IN RELATION THERETO, AN ARM MEMBER RIGIDLY CONNECTED TO SAID STEM AND EXTENDING OUTWARDLY THEREFROM, STRIKER MEANS MOUNTED FOR ROTATION WITH SAID IMPELLER AND FOR IMPARTING SUCCESSIVE IMPULSES TO SAID MEMBER FOR INTERMITTENTLY ROTATING SAID STEM IN A STEP-BY-STEP MANNER, PASSAGEWAY MEANS FOR DIRECTING LIQUID FROM SAID INLET COUPLING THROUGH A DRIVING PORT IN SAID HOUSING AND TOWARDS SAID IMPELLER FOR CAUSING ROTATION THEREOF, AND CONTROL MEANS ADJUSTABLY MOUNTED WITHIN SAID PASSAGEWAY MEANS AND HAVING A PART ACCESSIBLE FROM THE TOP OF SAID SPRINKLER FOR CONTROLLING THE FLOW OF LIQUID THROUGH SAID PASSAGEWAY MEANS AND THROUGH SAID DRIVING PORT TOWARD SAID IMPELLER FOR DETERMINING THE SPEED OF ROTATION OF SAID IMPELLER.
Claim 2
Dependent Claim
214 words
AN IRRIGATION SPRINKLER ADAPTED TO BE INSTALLED WITHIN THE GROUND AND INCLUDING A ROTARY POP-UP NOZZLE AND A MECHANISM FOR EASILY ADJUSTING THE SPEED OF ROTATION OF THE NOZZLE, COMPRISING A HOUDING HAVING AN OPEN TOP AND A BOTTOM INCLUDING MEANS DEFINING AN INLET COUPLING ADAPTED TO BE CONNECTED TO A LIQUID SUPPLY LINE, A COVER FOR THE TOP OF SAID HOUSING AND INCLUDING A CENTRAL OPENING THEREIN, A TUBULAR NOZZLE STEM ROTATABLY MOUNTED WITHIN SAID OPENING AND ADAPTED TO POP UPWARDS IN RESPONSE TO WATER PRESSURE WITHIN SAID HOUSING, AN IMPELLER, MEANS FOR MOUNTING SAID IMPELLER ON SAID STEM FOR FREE ROTATION IN RELATION THERETO, AN ARM MEMBER RIGIDLY CONNECTED TO SAID STEM AND EXTENDING OUTWARDLY THEREFROM, STRIKER MEANS MOUNTED FOR ROTATION WITH SAID IMPELLER AND FOR IMPARTING SUCCESSIVE IMPULSES TO SAID MEMBER FOR INTERMITTENTLY ROTATING SAID STEM IN A STEP-BY-STEP MANNER, PASSAGEWAY MEANS FOR DIRECTING LIQUID FROM SAID INLET COUPLING THROUGH A DRIVING PORT IN SAID HOUSING AND TOWARDS SAID IMPELLER FOR CAUSING ROTATION THEREOF, AND CONTROL MEANS ADJUSTABLY MOUNTED WITHIN SAID PASSAGEWAY MEANS AND HAVING A PART ACCESSIBLE FROM THE TOP OF SAID SPRINKLER FOR CONTROLLING THE FLOW OF LIQUID THROUGH SAID PASSAGEWAY MEANS AND THROUGH SAID DRIVING PORT TOWARD SAID IMPELLER FOR DETERMINING THE SPEED OF ROTATION OF SAID IMPELLER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |