US3341122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated hydronic heating system
Assignee: Raypak Co Inc
•
Filing: 1965-03-30
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Granted: 1967-09-12
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred Whittell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:47
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/08; F24D19/082; F24D19/083; F24D3/00; F24D3/02; F24D3/08; F24D3/087; F24D3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A CLOSED HYDRONIC WATER HEATING SYSTEM INCLUDING, HEAT EXCHANGING MEANS; MEANS FOR HEATING WATER IN SAID SYSTEM; MEANS CONNECTED TO SAID HEATING MEANS FOR STORING SAID HEATED WATER AND PERMITTING THE SEPARATION OF ENTRAPPED AIR THEREFROM; MEANS CONNECTED TO SAID STORAGE MEANS FOR EXHAUSTING SEPARATED AIR FROM SAID STORAGE MEANS; PUMP MEANS CONNECTED TO SAID STORAGE MEANS FOR CONTINUOUSLY CIRCULATING SAID WATER THROUGH SAID STORAGE MEANS; THERMOSTATICALLY CONTROLLED VALVE MEANS FOR SELECTIVELY REGULATING FLOW OF HEATED WATER FROM SAID PUMP MEANS THROUGH SAID HEAT EXCHANGER MEANS AND BACK TO SAID HEATING MEANS; AND VALVE REGULATED MEANS BYPASSING SAID HEAT EXCHANGING MEANS AND SAID CONTROLLED VALVE MEANS FOR ENABLING THE CONTINUED CIRCULATION OF WATER THROUGH SAID STORAGE MEANS WHEN FLOW THROUGH SAID HEAT EXCHANGER MEANS IS REDUCED.
Claim 2
Dependent Claim
126 words
A CLOSED HYDRONIC WATER HEATING SYSTEM INCLUDING, HEAT EXCHANGING MEANS; MEANS FOR HEATING WATER IN SAID SYSTEM; MEANS CONNECTED TO SAID HEATING MEANS FOR STORING SAID HEATED WATER AND PERMITTING THE SEPARATION OF ENTRAPPED AIR THEREFROM; MEANS CONNECTED TO SAID STORAGE MEANS FOR EXHAUSTING SEPARATED AIR FROM SAID STORAGE MEANS; PUMP MEANS CONNECTED TO SAID STORAGE MEANS FOR CONTINUOUSLY CIRCULATING SAID WATER THROUGH SAID STORAGE MEANS; THERMOSTATICALLY CONTROLLED VALVE MEANS FOR SELECTIVELY REGULATING FLOW OF HEATED WATER FROM SAID PUMP MEANS THROUGH SAID HEAT EXCHANGER MEANS AND BACK TO SAID HEATING MEANS; AND VALVE REGULATED MEANS BYPASSING SAID HEAT EXCHANGING MEANS AND SAID CONTROLLED VALVE MEANS FOR ENABLING THE CONTINUED CIRCULATION OF WATER THROUGH SAID STORAGE MEANS WHEN FLOW THROUGH SAID HEAT EXCHANGER MEANS IS REDUCED.
References 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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |