US3170630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit for hydronic system
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1963-08-21
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Granted: 1965-02-23
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Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 Abraham B Chadwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/10; F24D19/1006; F24D19/1009; F24D19/1015; F24H; F24H15/00; F24H15/20; F24H15/254; F24H15/30; F24H15/335; F24H15/355; F24H15/36; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1927; G05D23/193; G05D23/1932; G05D23/1934; G05D23/275; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A ZONE TEMPERATURE CONTROL SYSTEM COMPRISING A FIRST ZONE; A FIRST HEAT EXCHANGER IN SAID FIRST ZONE; A SECOND ZONE; A SECOND HEAT EXCHANGER IN SAID SECOND ZONE; A FLUID MOVING MEANS; MEANS COUPLED TO SAID FLUID MOVING MEANS TO FEED TO FLUID ALONG A FIRST PATH TO SAID FIRST HEAT EXCHANGER AND ALONG A SECOND PATH TO SAID SECOND HEAT EXCHANGER; FIRST FLUID CONTROL MEANS TO CONTROL THE FLOW OF THE FLUID THROUGH SAID FIRST HEAT EXCHANGER; SECOND FLUID CONTROL MEANS TO CONTROL THE FLOW OF THE FLUID THROUGH SAID SECOND HEAT EXCHANGER; HEATING MEANS TO HEAT SAID FLUID; A FIRST TEMPERATURE SENSITIVE MEANS FOR DETECTING
Claim 2
Dependent Claim
107 words
A ZONE TEMPERATURE CONTROL SYSTEM COMPRISING A FIRST ZONE; A FIRST HEAT EXCHANGER IN SAID FIRST ZONE; A SECOND ZONE; A SECOND HEAT EXCHANGER IN SAID SECOND ZONE; A FLUID MOVING MEANS; MEANS COUPLED TO SAID FLUID MOVING MEANS TO FEED TO FLUID ALONG A FIRST PATH TO SAID FIRST HEAT EXCHANGER AND ALONG A SECOND PATH TO SAID SECOND HEAT EXCHANGER; FIRST FLUID CONTROL MEANS TO CONTROL THE FLOW OF THE FLUID THROUGH SAID FIRST HEAT EXCHANGER; SECOND FLUID CONTROL MEANS TO CONTROL THE FLOW OF THE FLUID THROUGH SAID SECOND HEAT EXCHANGER; HEATING MEANS TO HEAT SAID FLUID; A FIRST TEMPERATURE SENSITIVE MEANS FOR DETECTING
References Cited (Backward Citations)
US2153382A
Cited
US2096626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |