US2603556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary drum reactor
Assignee: KELITE PRODUCTS Inc
•
Filing: 1948-12-31
•
Granted: 1952-07-15
•
Expires: 1968-12-31
Abstract
No abstract record available.
Inventors
- 👤 Dariel E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:03
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/455; B; B01; B01J; B01J19/00; B01J19/28; C01B25/4555; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN APPARATUS FOR PRODUCING A CHEMICAL PRODUCT WHICH COMPRISES A DRUM, MEANS FOR REVOLVING THE DRUM, MEANS FOR FEEDING A SOLID MATERIAL INTO ONE END OF THE DRUM, MEANS FOR DISCHARGING SOLID PRODUCTS FROM THE OTHER END OF THE DRUM, A SPRAY DEVICE WITHIN THE DRUM FOR SPRAYING THE SOLUTION ONTO MATERIAL IN THE DRUM, AND MEANS FOR COOLING THE SOLID MATERIAL IN SAID DRUM, SAID MEANS INCLUDING AN AIR BLOWER, AN AIR CONDUIT EXTENDING WITHIN THE DRUM SUBSTANTIALLY PARALLEL TO THE AXIS THEREOF, ABD A PLURALITY OF SPACED-APART DISCHARGE OUTLETS FROM SAID CONDUIT.
Claim 2
Independent Claim
94 words
AN APPARATUS FOR PRODUCING A CHEMICAL PRODUCT WHICH COMPRISES A DRUM, MEANS FOR REVOLVING THE DRUM, MEANS FOR FEEDING A SOLID MATERIAL INTO ONE END OF THE DRUM, MEANS FOR DISCHARGING SOLID PRODUCTS FROM THE OTHER END OF THE DRUM, A SPRAY DEVICE WITHIN THE DRUM FOR SPRAYING THE SOLUTION ONTO MATERIAL IN THE DRUM, AND MEANS FOR COOLING THE SOLID MATERIAL IN SAID DRUM, SAID MEANS INCLUDING AN AIR BLOWER, AN AIR CONDUIT EXTENDING WITHIN THE DRUM SUBSTANTIALLY PARALLEL TO THE AXIS THEREOF, ABD A PLURALITY OF SPACED-APART DISCHARGE OUTLETS FROM SAID CONDUIT.
References Cited (Backward Citations)
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GB190210723A
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US773029A
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FR460999A
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US1157284A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |