Pipeline systems
Abstract
Abstract THE INVENTION PROVIDES A PIPELINE SYSTEM, ADVANTAGEOUSLY AN UNDERGROUND PIPELINE SYSTEM, HAVING A NUMBER OF COUPLING ELEMETNS AT VARIOUS LOCALITIES ALL CONNECTED TO A MAINS LIQUID SUPPLY AND EACH ADAPTED TO RECEIVE A QUICK FASTENING PLUG-IN CONNECTOR. EACH COUPLING ELEMENT INCLUDES A SHUT-OFF VALVE WHICH IS AUTOMATICALLY OPENED WHEN THE PLUG-IN CONNECTOR IS FITTED. THE PIPELINE SYSTEM INCLUDES A PLURALITY OF LENGTHS OF PLASTICS PIPING, A PERIPHERAL GROOVE BEING PROVIDED IN EACH END OF EACH PIPE LENGTH. A RESILIENT RING IS FITTED IN EACH GROOVE AND IS RECEIVED WITHIN AN END PORTION OF A HOLLOW CONNECTING BODY AND CLAMPED BY MEANS OF A CLAMPING NUT SCREWED ONTO THE CONNECTING BODY END PORTION. THE CONNECTING BODY FORMS PART OF CONNECTING MEANS FOR CONNECTING THE PIPE LENGTHS TO ONE ANOTHER AND TO THE COUPLING ELEMENTS.
Inventors
- 👤 R Sauer
- 👤 J Katzer
- 👤 C Stephany
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |