US3123065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water temperature control system
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:12
CPC Classifications
F; F24; F24D; F24D17/00; F24D17/0078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A WATER HEATING SYSTEM ADAPTED TO DELIVER HEATED WATER AT PREDETERMINED TEMPERATURES WHICH COMPRISES A HOT WATER STORAGE TANK ADAPTED TO CONTAIN HEATED WATER AT A PREDETERMINED TEMPERATURE, A HEATER TO HEAT THE SAID WATER, CONDUIT MEANS CONNECTING THE HEATER AND TANK TO DELIVER HEATED WATER TO THE SAID TANK, SEPARATE CONDUIT MEANS TO DELIVER HEATED WATER FROM THE SAID TANK AND FROM THE SAID HEATER TO SEPARATE POINTS OF USE LOCATED REMOTE FROM THE SAID TANK AND HEATER, A RETURN FLOW CONDUIT IN FLOW COMMUNICATION WITH THE REMOTE ENDS OF THE SAID LAST NAMED CONDUIT MEANS AND WITH THE HEATER, A MOTOR DRIVEN PUMP IN THE SAID RETURN FLOW CONDUIT, NORMALLY OPEN THERMOSTAT CONTROL SWITCH UNIT AT THE REMOTE END OF EACH OF SAID LAST NAMED CONDUIT MEANS, SAID UNITS BEING RESPONSIVE TO DIFFERENT WATER TEMPERATURES, AND A
Claim 2
Dependent Claim
139 words
A WATER HEATING SYSTEM ADAPTED TO DELIVER HEATED WATER AT PREDETERMINED TEMPERATURES WHICH COMPRISES A HOT WATER STORAGE TANK ADAPTED TO CONTAIN HEATED WATER AT A PREDETERMINED TEMPERATURE, A HEATER TO HEAT THE SAID WATER, CONDUIT MEANS CONNECTING THE HEATER AND TANK TO DELIVER HEATED WATER TO THE SAID TANK, SEPARATE CONDUIT MEANS TO DELIVER HEATED WATER FROM THE SAID TANK AND FROM THE SAID HEATER TO SEPARATE POINTS OF USE LOCATED REMOTE FROM THE SAID TANK AND HEATER, A RETURN FLOW CONDUIT IN FLOW COMMUNICATION WITH THE REMOTE ENDS OF THE SAID LAST NAMED CONDUIT MEANS AND WITH THE HEATER, A MOTOR DRIVEN PUMP IN THE SAID RETURN FLOW CONDUIT, NORMALLY OPEN THERMOSTAT CONTROL SWITCH UNIT AT THE REMOTE END OF EACH OF SAID LAST NAMED CONDUIT MEANS, SAID UNITS BEING RESPONSIVE TO DIFFERENT WATER TEMPERATURES, AND A
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |