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US3286733A
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Irrigation controller
Assignee: MOIST O MATIC Inc
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Filing: 1964-06-08
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Granted: 1966-11-22
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:08
CPC Classifications
A; A01; A01G; A01G25/00; A01G25/16; A01G25/162; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86461
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
A MULTIPLE PILOT VALVE FOR IRRIGATION CONTROLLERS, COMPRISING: (A) A PILOT VALVE BODY FORMED OR YIELDABLE PLASTIC MATERIAL AND INCLUDING A SET OF PARALLEL VALVE TUBES JOINED BY TRANSVERSE WEBS; (B) A CAP STRIP FORMED OF YIELDABLE PLASTIC MATERIAL AND INCLUDING A SET OF SEALING CUPS AND MEANS PERMITTING LIMITED VARIATION IN SPACING BETWEEN SAID SEALING CUPS THEREBY TO PERMIT ACCOMMODATION OF SAID SEALING CUPS IN SAID VALVE TUBES; (C) EACH VALVE TUBE INCLUDING A VALVE CHAMBER CLOSED AT ONE END BY A SEALING CUP, A VALVE SEAT AT THE OTHER END OF SAID VALVE CHAMBER AND A FLOW PASSAGE CONTINUING FROM SAID VALVE SEAT; (D) SAID VALVE BODY INCLUDING A DUCT EXTENDING THROUGH SAID WEBS AND JOINING SAID VALVE CHAMBERS; (E) AND A SET OF VALVE ELEMENTS SLIDABLE IN SAID VALVE CHAMBERS AND INCLUDING STEMS EXTENDING THROUGH SAID CAP STRIP.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |