Patent US3097686A successfully refreshed from Google Patents.
US3097686A
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Furnace system
Assignee: PRODUCT DEV ASSOCIATES Ltd
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Filing: 1960-05-12
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Granted: 1963-07-16
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 Robert D Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:44
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/22; F24H1/24; F24H1/26; F24H1/28; F22; F22B; F22B33/00; F22B33/02; F22B33/08; F23; F23C; F23C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A FURNACE SYSTEM COMPRISING A CUMBUSTION CHAMBER, MEANS FOR SUPPLYING FUEL TO SAID CHAMBER, MEANS FORMING AN OUTPUT PATH FOR COMBUSTION PRODUCTS FROM SAID CHAMBER, MEANS IN SAID PATH FOR DRIVING THE COMBUSTION PRODUCTS INTO RELATIVELY HOT AND COLD COMPONENTS AND MEANS FOR FEEDING AT LEAST A PORTION OF SAID HOT COMPONENT BACK TO SAID COMBUSTION CHAMBER.
Claim 2
Dependent Claim
57 words
A FURNACE SYSTEM COMPRISING A CUMBUSTION CHAMBER, MEANS FOR SUPPLYING FUEL TO SAID CHAMBER, MEANS FORMING AN OUTPUT PATH FOR COMBUSTION PRODUCTS FROM SAID CHAMBER, MEANS IN SAID PATH FOR DRIVING THE COMBUSTION PRODUCTS INTO RELATIVELY HOT AND COLD COMPONENTS AND MEANS FOR FEEDING AT LEAST A PORTION OF SAID HOT COMPONENT BACK TO SAID COMBUSTION CHAMBER.
References Cited (Backward Citations)
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Cited
US964031A
Cited
US1837713A
Cited
US1753432A
Cited
US1952281A
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FR1119245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |