Water distbibuting hose
Abstract
Abstract A WATER DISTRIBUTING HOSE FOR USE IN TRICKLE IRRIGATION COMPRISING AN OUTER TUBULAR WALL AND AN INNER WALL SPACED INTERIORLY FROM THE OUTER WALL AND DEFINING AN INNER TUBULAR MEMBER FIXED TO THE OUTER TUBULAR WALL FOR GENERALLY LINE CONTACT THEREWITH ALONG THE FULL LENGTH THEREOF. BOTH WALLS ARE PERFORATED, NORMALLY IN OPPOSED RELATION TO THE LINE CONTACT THEREBETWEEN WITH THE OUTER WALL HAVING A SUBSTANTIALLY GREATER NUMBER OF OPENINGS. THE INNER TUBE FUNCTIONS SO AS TO CARRY WATER ALONG THE FULL LENGTH OF THE HOSE AND MAINTAIN, TO A SUBSTANTIAL DEGREE, THE PRESSURE THEREOF. THE WATER DISCHARGES THROUGH THE INNER WALL OPENINGS AND SUBSTANTIALLY FLOWS TO AND THROUGH THE OUTER WALL OPENINGS IMMEDIATELY ADJACENT TO EACH INNER WALL OPENING FOR A TRICKLE-LIKE DISCHARGE THEREFROM.
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Bibliographic Details
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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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |