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US3275030A
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US
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Water treatment apparatus
Assignee: Individual
•
Filing: 1964-06-01
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Granted: 1966-09-27
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 William R Alvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:59
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/08; C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/87571; Y10T137/87652
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A WATER SUPPLY SYSTEM COMPRISING A MOTOR DRIVEN PUMP HAVING AN INLET AND OUTLET MEANS, A SUCTION PIPE CONNECTING SAID INLET MEANS WITH A SOURCE OF WATER AND PRESSURE PIPE MEANS CONNECTING SAID OUTLET MEANS TO A WATER DISTRIBUTION SYSTEM, A PLUG MEANS SECURED IN SAID SUCTION PIPE HAVING A THREADED BORE THEREIN AND A COAXIAL METERING BORE OF PREDETERMINED SMALLER DIAMETER, A COLLAPSIBLE CONTAINER FOR RETAINING A QUANTITY OF LIQUID CHEMICAL HAVING A THREADED NOZZLE IN MATING ENGAGEMENT WITH SAID THREADED BORE, AT LEAST ONE ORIFICE THROUGH SAID NOZZLE INTO SAID CONTAINER POSITIONED FOR FEEDING SAID LIQUID CHEMICAL THEREFROM WHEREBY SAID CHEMICAL WILL FLOW FROM SAID CONTAINER THROUGH SAID METERING BORE OF SAID PLUG
Claim 2
Dependent Claim
115 words
A WATER SUPPLY SYSTEM COMPRISING A MOTOR DRIVEN PUMP HAVING AN INLET AND OUTLET MEANS, A SUCTION PIPE CONNECTING SAID INLET MEANS WITH A SOURCE OF WATER AND PRESSURE PIPE MEANS CONNECTING SAID OUTLET MEANS TO A WATER DISTRIBUTION SYSTEM, A PLUG MEANS SECURED IN SAID SUCTION PIPE HAVING A THREADED BORE THEREIN AND A COAXIAL METERING BORE OF PREDETERMINED SMALLER DIAMETER, A COLLAPSIBLE CONTAINER FOR RETAINING A QUANTITY OF LIQUID CHEMICAL HAVING A THREADED NOZZLE IN MATING ENGAGEMENT WITH SAID THREADED BORE, AT LEAST ONE ORIFICE THROUGH SAID NOZZLE INTO SAID CONTAINER POSITIONED FOR FEEDING SAID LIQUID CHEMICAL THEREFROM WHEREBY SAID CHEMICAL WILL FLOW FROM SAID CONTAINER THROUGH SAID METERING BORE OF SAID PLUG
References Cited (Backward Citations)
FR588080A
Cited
US1902003A
Cited
US2050522A
Cited
US2687831A
Cited
US2743913A
Cited
US2965268A
Cited
US3052417A
Cited
US3099283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |