US3292598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater
Assignee: Individual
•
Filing: 1964-09-28
•
Granted: 1966-12-20
•
Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Avy L Miller
- 👤 Robert M Ramey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:09
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/145; F24H1/22; F24H1/40; F24H9/00; F24H9/20; F24H9/2007; F24H9/2035; Y; Y10; Y10S; Y10S165/00; Y10S165/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A WATER HEATER COMPRISING: AN INLET FOR COLD WATER; AN OUTLET FOR HEATED WATER; HEAT EXCHANGE MEANS EXTENDING BETWEEN SAID INLET AND OUTLET FOR THE PASSAGE THERETHROUGH OF WATER TO BE HEATED; MEANS FOR BURNING FUEL AND DIRECTING THE PRODUCTS OF COMBUSTION OVER SAID HEATEXCHANGE MEANS; AND BY-PASS MEANS FOR DIVERTING A PORTION OF THE WATER ENTERING SAID HEATER AROUND A PORTION ONLY OF SAID HEAT-EXCHANGE MEANS ADJACENT THE INLET THERETO WHEREBY THE TOTAL FLOW OF WATER PASSING THROUGH THE HEAT-EXCHANGE MEANS OCCURS ONLY IN THE HOTTER PORTION THEREOF WHEREBY TO CREATE A DIFFERENCE IN THE RATE OF FLOW OF WATER THROUGH THE HOT AND COLD PORTIONS OF THE HEAT-EXCHANGE MEANS.
Claim 2
Dependent Claim
111 words
A WATER HEATER COMPRISING: AN INLET FOR COLD WATER; AN OUTLET FOR HEATED WATER; HEAT EXCHANGE MEANS EXTENDING BETWEEN SAID INLET AND OUTLET FOR THE PASSAGE THERETHROUGH OF WATER TO BE HEATED; MEANS FOR BURNING FUEL AND DIRECTING THE PRODUCTS OF COMBUSTION OVER SAID HEATEXCHANGE MEANS; AND BY-PASS MEANS FOR DIVERTING A PORTION OF THE WATER ENTERING SAID HEATER AROUND A PORTION ONLY OF SAID HEAT-EXCHANGE MEANS ADJACENT THE INLET THERETO WHEREBY THE TOTAL FLOW OF WATER PASSING THROUGH THE HEAT-EXCHANGE MEANS OCCURS ONLY IN THE HOTTER PORTION THEREOF WHEREBY TO CREATE A DIFFERENCE IN THE RATE OF FLOW OF WATER THROUGH THE HOT AND COLD PORTIONS OF THE HEAT-EXCHANGE MEANS.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |