US3558258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile sprinkler control apparatuses
Assignee: GIFFORD HILL WESTERN
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Filing: 1969-10-21
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Granted: 1971-01-26
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Expires: 1989-10-21
Abstract
Abstract COMBINATION OF IRRIGATION SPRINKLER SUPPORTING PIPE SECTIONS AND MOVABLE PIPE SUPPORTING TOWERS RIGIDLY UNITIZED WITH MOTORS ON EACH TOWER STATION, EACH SECTION OF PIPE PIVOTALLY CONNECTED TO THE NEXT, AND IMPROVED MOTOR CONTROL FOR EACH TOWER CONNECTED TO THE SECTION OF PIPE OUTBOARD THEREOF SO AS TO BE READILY ADJUSTED AS WELL AS RESPONSIVE TO THE UPHILL AND DOWNHILL AS WELL AS RETARDED AND ADVANCED POSITION OF THAT TOWER, AND THEREBY DISTRIBUTE IRRIGATION WATER IN AN EVEN AND PREDICTABLE MANNER OVER UNDULATING AS WELL AS FLAT GROUND.
Inventors
- 👤 James Burl Johnson Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/09; A01G25/092
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |