US3192985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus of furnace operation
Assignee: Combustion Engineering Inc
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Filing: 1962-02-14
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Granted: 1965-07-06
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Expires: 1982-02-14
Abstract
No abstract record available.
Inventors
- 👤 William L Livingston
- 👤 Mathew P Stengel
- 👤 Larry D Mcnair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:03
CPC Classifications
F; F23; F23B; F23B7/00; F23B2700/00; F23B2700/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN COMBINATION A FURNACE INTO WHICH FUEL AND AIR ARE INTRODUCED WITH THE FUEL BEING BURNED THEREWITHIN, MEANS FOR INTRODUCING INTO THE FURNANCE AN INERT GAS AND MEANS FOR SAMPLING THE FURNANCE ATMOSPHERE INCLUDING BURNER MEANS FOR BURNING THE FURNACE ATMOSPHERE AS RECEIVED FROM THE FURNACE, MEANS OPERATIVE TO REMOVE THE INERT GAS ADDED TO SAID ATMOSPHERE AND MEANS RECEIVING THE
Claim 2
Dependent Claim
61 words
IN COMBINATION A FURNACE INTO WHICH FUEL AND AIR ARE INTRODUCED WITH THE FUEL BEING BURNED THEREWITHIN, MEANS FOR INTRODUCING INTO THE FURNANCE AN INERT GAS AND MEANS FOR SAMPLING THE FURNANCE ATMOSPHERE INCLUDING BURNER MEANS FOR BURNING THE FURNACE ATMOSPHERE AS RECEIVED FROM THE FURNACE, MEANS OPERATIVE TO REMOVE THE INERT GAS ADDED TO SAID ATMOSPHERE AND MEANS RECEIVING THE
References Cited (Backward Citations)
US1746123A
Cited
US2341727A
Cited
US2585882A
Cited
US2532214A
Cited
US2533339A
Cited
GB843342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |