US3606167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray system
Assignee: Individual
•
Filing: 1969-06-11
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Granted: 1971-09-20
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Expires: 1989-06-11
Abstract
Abstract A WATERING SYSTEM FOR LONG RUN CONSISTING OF A SERIES OF ELEVATED NOZZLES, EACH MOUNTED ON A TWIN ROD UPRIGHT AND COMMUNICATED WITH AN ENLARGED MAIN THROUGH A REDUCED DIAMETER SUPPLY TUBE. THE INDIVIDUAL SUPPLY TUBES METER THE PRESSURE TO THE INVIDIDUAL NOZZLES, THEREBY ENABLING THE MAINTENANCE OF A SUBSTANTIALLY CONSTANT HIGH PRESSURE ALONG THE FULL LENGTH OF THE MAIN. EACH OF THE NOZZLE INCLUDES A MANUAL CUT-OFF DIRECTLY THEREIN.
Inventors
- 👤 Richard D Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:16
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/24; A01G9/247; B; B05; B05B; B05B15/00; B05B15/60; B05B15/62; B05B15/622; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0425; B05B3/0426; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |