Patent US3129063A successfully refreshed from Google Patents.
US3129063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of sulfur dioxide from sulfates
Assignee: Bayer AG
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Filing: 1960-01-25
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Granted: 1964-04-14
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Expires: 1980-01-25
Abstract
No abstract record available.
Inventors
- 👤 Zirngibl Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:05
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/48; C01B17/50; C01B17/501; C01B17/505; C01B17/506; C01B17/507
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A DEVICE FOR MANUFACTURING SULFUR DIOXIDE BY THE REDUCTION OF SULFATES, COMPRISING AN ENDLESS CONVEYING BELT, THREE SUCCESSIVELY ARRANGED HEATING HOODS POSITIONED TO PARTIALLY SURROUND THE CONVEYING BELT AND TO SUBSTANTIALLY COMPLETELY SURROUND A PORTION OF BELT TRAVEL, EACH OF SAID HOODS BEING EQUIPPED WITH A BURNER IN THE UPPER PART THEREOF ABOVE THE BELT FOR DIRECTING HEAT DOWNWARDLY TOWARD SAID BELT, A GAS INLET FOR PRODUCED REDUCTION GAS IN THE UPPER PART OF EACH OF SAID HOODS ABOVE THE BELT BETWEEN IT AND SAID BURNER, A GAS OUTLET FOR PRODUCED REDUCTION GAS IN THE LOWER PART OF THE HEATING HOOD BELOW THE BELT, MEANS FOR DEDUSTING AND PURIFYING SO2 CONTAINING PRODUCED GAS, GAS CONDUIT MEANS CONNECTING SAID GAS OUTLET OF THE FIRST HEATING HOOD (IN THE DIRECTION OF THE MOVEMENT OF THE CONVEYING BELT) TO SAID DEDUSTING AND PURIFYING MEANS, THE GAS OUTLETS
Claim 2
Independent Claim
144 words
A DEVICE FOR MANUFACTURING SULFUR DIOXIDE BY THE REDUCTION OF SULFATES, COMPRISING AN ENDLESS CONVEYING BELT, THREE SUCCESSIVELY ARRANGED HEATING HOODS POSITIONED TO PARTIALLY SURROUND THE CONVEYING BELT AND TO SUBSTANTIALLY COMPLETELY SURROUND A PORTION OF BELT TRAVEL, EACH OF SAID HOODS BEING EQUIPPED WITH A BURNER IN THE UPPER PART THEREOF ABOVE THE BELT FOR DIRECTING HEAT DOWNWARDLY TOWARD SAID BELT, A GAS INLET FOR PRODUCED REDUCTION GAS IN THE UPPER PART OF EACH OF SAID HOODS ABOVE THE BELT BETWEEN IT AND SAID BURNER, A GAS OUTLET FOR PRODUCED REDUCTION GAS IN THE LOWER PART OF THE HEATING HOOD BELOW THE BELT, MEANS FOR DEDUSTING AND PURIFYING SO2 CONTAINING PRODUCED GAS, GAS CONDUIT MEANS CONNECTING SAID GAS OUTLET OF THE FIRST HEATING HOOD (IN THE DIRECTION OF THE MOVEMENT OF THE CONVEYING BELT) TO SAID DEDUSTING AND PURIFYING MEANS, THE GAS OUTLETS
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |