US3204629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater
Assignee: Individual
•
Filing: 1963-06-14
•
Granted: 1965-09-07
•
Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert P Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:47
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/107; F22; F22B; F22B1/00; F22B1/02; F22B1/18; F22B1/1853; Y; Y10; Y10S; Y10S261/00; Y10S261/09; Y10S261/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A WATER HEATER COMPRISING, A VERTICAL STACK, A FLUE CHAMBER HAVING AN OPEN OUTLET END IN COMMUNICATION WITH THE STACK NEAR THE BASE OF THE STACK, WHEREBY HOT FLUE GASES MAY PASS THROUGH THE FLUE CHAMBER AND UP THE STACK, MEANS TO SUPPLY WATER TO BE HEATED TO THE TOP OF THE STACK, BAFFLES ARRANGED IN STAGGERED RELATION IN THE STACK BETWEEN THE MEANS TO SUPPLY WATER WATER AND THE FLUE CHAMBER OUTLET TO CAUSE INCOMING WATER TO CASCASE DOWNWARDLY ALONG A SERPENTINE PATH IN COUNTERCURRENT TO FLUE GASES RISING IN THE STACK TO ABSORB THE HEAT OF SAID GASES, A COLLECTION CHAMBER FOR HEATED WATER IN THE BASE OF THE STACK BELOW THE FLUE CHAMBER OUTLET, SPRAY HEADS IN THE FLUE CHAMBER ARRANGED TO QUENCH AND CLEANSE FLUE GASES PASSING THROUGH THE FLUE CHAMBER, MEANS TO SUPPLY WATER TO THE SPRAY HEADS, AND A SUMP OPENING TO THE FLUE CHAMBER TO COLLECT CLEANSING WATER SPRAYED INTO THE FLUE CHAMBER BY THE SPRAY HEADS, THE MEANS TO SUPPLY WATER TO THE SPRAY HEADS INCLUDING A LINE FROM THE SUMP, WHEREBY THE SPRAY WATER PREHEATED AND RECIRCULATED.
Claim 2
Dependent Claim
186 words
A WATER HEATER COMPRISING, A VERTICAL STACK, A FLUE CHAMBER HAVING AN OPEN OUTLET END IN COMMUNICATION WITH THE STACK NEAR THE BASE OF THE STACK, WHEREBY HOT FLUE GASES MAY PASS THROUGH THE FLUE CHAMBER AND UP THE STACK, MEANS TO SUPPLY WATER TO BE HEATED TO THE TOP OF THE STACK, BAFFLES ARRANGED IN STAGGERED RELATION IN THE STACK BETWEEN THE MEANS TO SUPPLY WATER WATER AND THE FLUE CHAMBER OUTLET TO CAUSE INCOMING WATER TO CASCASE DOWNWARDLY ALONG A SERPENTINE PATH IN COUNTERCURRENT TO FLUE GASES RISING IN THE STACK TO ABSORB THE HEAT OF SAID GASES, A COLLECTION CHAMBER FOR HEATED WATER IN THE BASE OF THE STACK BELOW THE FLUE CHAMBER OUTLET, SPRAY HEADS IN THE FLUE CHAMBER ARRANGED TO QUENCH AND CLEANSE FLUE GASES PASSING THROUGH THE FLUE CHAMBER, MEANS TO SUPPLY WATER TO THE SPRAY HEADS, AND A SUMP OPENING TO THE FLUE CHAMBER TO COLLECT CLEANSING WATER SPRAYED INTO THE FLUE CHAMBER BY THE SPRAY HEADS, THE MEANS TO SUPPLY WATER TO THE SPRAY HEADS INCLUDING A LINE FROM THE SUMP, WHEREBY THE SPRAY WATER PREHEATED AND RECIRCULATED.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |