US3357359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination fire and domestic water system
Assignee: Syncroflo Inc
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Filing: 1965-07-19
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Granted: 1967-12-12
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Robert F Schaub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:12
CPC Classifications
E; E03; E03B; E03B5/00; E03B5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A TANKLESS PUMPING SYSTEM FOR SUPPLYING WATER UNDER BOTH NORMAL AND EMERGENCY CONDITIONS, SAID SYSTEM COMPRISING A WATER INLET CONDUIT, A WATER SUPPLY CONDUIT, FIRST PUMP MEANS AND SECOND PUMP MEANS CONNECTED IN PARALLEL BETWEEN SAID WATER INLET CONDUIT AND SAID WATER SUPPLY CONDUIT, SAID FIRST PUMP MEANS PROVIDING PRESSURIZED WATER TO SAID WATER SUPPLY CONDUIT UNDER NORMAL CONDITIONS WHILE SAID SECOND PUMP MEANS PROVIDES WATER TO SAID WATER SUPPLY CONDUIT ONLY UNDER EMERGENCY CONDITIONS, A FLOW INDICATOR INCLUDING AN ORIFICE IN SAID WATER SUPPLY LINE AND BEING POSITIONED INTERMEDIATE THE CONNECTIONS OF SAID FIRST AND SECOND PUMP MEANS TO SAID
Claim 2
Dependent Claim
101 words
A TANKLESS PUMPING SYSTEM FOR SUPPLYING WATER UNDER BOTH NORMAL AND EMERGENCY CONDITIONS, SAID SYSTEM COMPRISING A WATER INLET CONDUIT, A WATER SUPPLY CONDUIT, FIRST PUMP MEANS AND SECOND PUMP MEANS CONNECTED IN PARALLEL BETWEEN SAID WATER INLET CONDUIT AND SAID WATER SUPPLY CONDUIT, SAID FIRST PUMP MEANS PROVIDING PRESSURIZED WATER TO SAID WATER SUPPLY CONDUIT UNDER NORMAL CONDITIONS WHILE SAID SECOND PUMP MEANS PROVIDES WATER TO SAID WATER SUPPLY CONDUIT ONLY UNDER EMERGENCY CONDITIONS, A FLOW INDICATOR INCLUDING AN ORIFICE IN SAID WATER SUPPLY LINE AND BEING POSITIONED INTERMEDIATE THE CONNECTIONS OF SAID FIRST AND SECOND PUMP MEANS TO SAID
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |