US3242910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boiler system
Assignee: Individual
•
Filing: 1963-07-30
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Granted: 1966-03-29
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 William A Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:03
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/22; F24H1/40; F24H1/10; F24H1/12; F24H1/14; F24H1/145; F24H9/00; F24H9/18; F24H9/1809; F24H9/1832; F24H9/1836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A RESIDENTIAL LOW-PRESSURE WATER TUBE BOILER UNIT COMPRISING A HOUSING FORMING AN INSULATED CHAMBER, A FLUE GAS OPENING IN THE TOP WALL OF SAID HOUSING VENTING THE TOP WALL OF SAID CHAMBER TO AN EXHAUST STACK, FUEL BURNER MEANS IN SAID CHAMBER, A WATER TUBE HEAT EXCHANGER ASSEMBLY COMPRISING A SINGLE LAYER HAVING A PLURALITY OF TRANSVERSELY FINNED TUBES EXTENDING BETWEEN AND CONNECTING INLET AND OUTLET HEADERS, SAID ASSEMBLY OF HEADERS AND TUBES BEING POSITIONED IN SAID CHAMBER AT AN INCLINE FROM THE HORIZONTAL PROVIDING UPWARDLY DIRECTED FLOW FROM THE INLET TO THE OUTLET THERREOF, A BAFFLE PLATE POSITIONED OVER AND IMMEDIATELY ADJACENT SAID TUBES AND HEADER AND SUBSTANTIALLY CLOSING OFF THE AREA THEREBELOW OVER SAID BURNER MEANS, SAID BAFFLE PLATE HAVING A PLURALITY OF APERTURES THEREIN FOR PASSING COMBUSTION GASES THERETHROUGH TO SAID FLUE, AND MEANS FOR CIRCULATING WATER THROUGH SAID HEAT EXCHANGER ASSEMBLY, SAID HEADERS HAVING THE RESPECTIVE INLET AND OUTLETS THEREOF PROJECTING THROUGH SAID HOUSING FOR CONNECTION TO A HOT WATER SYSTEM, AND INTERLOCKING MEANS ON SAID HEADERS AND SAID HOUSING FOR PREVENTING ROTATION OF SAID HEADERS RELATIVE TO SAID HOUSING.
Claim 2
Dependent Claim
184 words
A RESIDENTIAL LOW-PRESSURE WATER TUBE BOILER UNIT COMPRISING A HOUSING FORMING AN INSULATED CHAMBER, A FLUE GAS OPENING IN THE TOP WALL OF SAID HOUSING VENTING THE TOP WALL OF SAID CHAMBER TO AN EXHAUST STACK, FUEL BURNER MEANS IN SAID CHAMBER, A WATER TUBE HEAT EXCHANGER ASSEMBLY COMPRISING A SINGLE LAYER HAVING A PLURALITY OF TRANSVERSELY FINNED TUBES EXTENDING BETWEEN AND CONNECTING INLET AND OUTLET HEADERS, SAID ASSEMBLY OF HEADERS AND TUBES BEING POSITIONED IN SAID CHAMBER AT AN INCLINE FROM THE HORIZONTAL PROVIDING UPWARDLY DIRECTED FLOW FROM THE INLET TO THE OUTLET THERREOF, A BAFFLE PLATE POSITIONED OVER AND IMMEDIATELY ADJACENT SAID TUBES AND HEADER AND SUBSTANTIALLY CLOSING OFF THE AREA THEREBELOW OVER SAID BURNER MEANS, SAID BAFFLE PLATE HAVING A PLURALITY OF APERTURES THEREIN FOR PASSING COMBUSTION GASES THERETHROUGH TO SAID FLUE, AND MEANS FOR CIRCULATING WATER THROUGH SAID HEAT EXCHANGER ASSEMBLY, SAID HEADERS HAVING THE RESPECTIVE INLET AND OUTLETS THEREOF PROJECTING THROUGH SAID HOUSING FOR CONNECTION TO A HOT WATER SYSTEM, AND INTERLOCKING MEANS ON SAID HEADERS AND SAID HOUSING FOR PREVENTING ROTATION OF SAID HEADERS RELATIVE TO SAID HOUSING.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |