US3078044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heating installation
Assignee: Individual
•
Filing: 1959-12-15
•
Granted: 1963-02-19
•
Expires: 1979-12-15
Abstract
No abstract record available.
Inventors
- 👤 Brandl Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:19
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/08; F24D3/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A CLOSED SYSTEM HEATING INSTALLATION, THE COMBINATION COMPRISING A BOILER FOR HEATING A CIRCULATING LIQUID, A DELIVERY CONTAINER DISPOSED ABOVE SAID BOILER, A RISER PIPE BETWEEN SAID BOILER AND SAID CONTAINER HAVING A DISCHARGE END DISPOSED IN AN UPPER PORTION OF SAID CONTAINER AND CARRYING THE HEATED LIQUID AT A LOW DENSITY FROM SAID BOILER TO SAID CONTAINER, CIRCULATION PIPE MEANS EXTENDING FROM THE BOTTOM OF SAID CONTAINER TO RADIATOR MEANS AND CARRYING THE HEATED LIQUID THERETO, RETURN PIPE MEANS EXTENDING FROM THE RADIATOR MEANS AND CARRYING COOLED LIQUID THEREFROM, A HEAT EXCHANGER CARRIED BY SAID CONTAINER AND RECEIVING THE COOLED LIQUID FROM SAID RETURN PIPE MEANS, A RETURN CONDUIT LEADING FROM SAID HEAT EXCHANGER TO SAID BOILER FOR CARRYING THE CIRCULATING LIQUID THERETO, SAID HEAT EXCHANGER HAVING A RECESSED BOTTOM PORTION DEFINING A CAVITY, SAID CAVITY HAVING A BOTTOM OPEN-
Claim 2
Dependent Claim
142 words
IN A CLOSED SYSTEM HEATING INSTALLATION, THE COMBINATION COMPRISING A BOILER FOR HEATING A CIRCULATING LIQUID, A DELIVERY CONTAINER DISPOSED ABOVE SAID BOILER, A RISER PIPE BETWEEN SAID BOILER AND SAID CONTAINER HAVING A DISCHARGE END DISPOSED IN AN UPPER PORTION OF SAID CONTAINER AND CARRYING THE HEATED LIQUID AT A LOW DENSITY FROM SAID BOILER TO SAID CONTAINER, CIRCULATION PIPE MEANS EXTENDING FROM THE BOTTOM OF SAID CONTAINER TO RADIATOR MEANS AND CARRYING THE HEATED LIQUID THERETO, RETURN PIPE MEANS EXTENDING FROM THE RADIATOR MEANS AND CARRYING COOLED LIQUID THEREFROM, A HEAT EXCHANGER CARRIED BY SAID CONTAINER AND RECEIVING THE COOLED LIQUID FROM SAID RETURN PIPE MEANS, A RETURN CONDUIT LEADING FROM SAID HEAT EXCHANGER TO SAID BOILER FOR CARRYING THE CIRCULATING LIQUID THERETO, SAID HEAT EXCHANGER HAVING A RECESSED BOTTOM PORTION DEFINING A CAVITY, SAID CAVITY HAVING A BOTTOM OPEN-
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |