US3274701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stationary circular contact cooler for calcined lime and other materials
Assignee: Kennedy Van Saun Manufacturing and Engineering Corp
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Filing: 1964-03-03
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Granted: 1966-09-27
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Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Niemitz Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:44
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/16; F27; F27D; F27D15/00; F27D15/02; F27D15/0286; F27D2015/0293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A COOLER FOR HOT CALCINED MATERIAL SUCH AS THAT OF LIME, CEMENT AND THE LIKE, INCLUDING AN UPRIGHT INSULATED SHELL HAVING AN OPENING AT ITS UPPER END FOR RECEIVING HOT CALCINED MATERIAL FROM A KILN, A METAL SHELL LOCATED IN THE UPPER PORTION OF THE INSULATED SHELL AND SPACED FROM ITS INNER SURFACE FOR RECEIVING SAID MATERIAL FALLING THROUGH SAID OPENING AND PROVIDING A SOAKING CHAMBER THEREFOR, AN AIR DISTRIBUTOR LOCATED AT THE LOWER PORTION OF SAID METAL SHELL AND PROVIDING THEREWITH AN ANNULAR PASSAGEWAY FOR MATERIAL TO BE COOLED TO FLOW OVER THE AIR DISTRIBUTOR, MEANS FOR SUPPLYING AIR TO SAID DISTRIBUTOR, MEANS DEFINING AN ANNULAR OUTLET PASSAGEWAY FOR COOLED MATERIAL AT THE LOWER PART OF THE AIR DISTRIBUTOR, AN ANNULAR DISC BELOW SAID OUTLET PASSAGEWAY FOR SUPPORTING THE MATERIAL ALONG THE DISTRIBUTOR, AND MEANS FOR
Claim 2
Dependent Claim
138 words
IN A COOLER FOR HOT CALCINED MATERIAL SUCH AS THAT OF LIME, CEMENT AND THE LIKE, INCLUDING AN UPRIGHT INSULATED SHELL HAVING AN OPENING AT ITS UPPER END FOR RECEIVING HOT CALCINED MATERIAL FROM A KILN, A METAL SHELL LOCATED IN THE UPPER PORTION OF THE INSULATED SHELL AND SPACED FROM ITS INNER SURFACE FOR RECEIVING SAID MATERIAL FALLING THROUGH SAID OPENING AND PROVIDING A SOAKING CHAMBER THEREFOR, AN AIR DISTRIBUTOR LOCATED AT THE LOWER PORTION OF SAID METAL SHELL AND PROVIDING THEREWITH AN ANNULAR PASSAGEWAY FOR MATERIAL TO BE COOLED TO FLOW OVER THE AIR DISTRIBUTOR, MEANS FOR SUPPLYING AIR TO SAID DISTRIBUTOR, MEANS DEFINING AN ANNULAR OUTLET PASSAGEWAY FOR COOLED MATERIAL AT THE LOWER PART OF THE AIR DISTRIBUTOR, AN ANNULAR DISC BELOW SAID OUTLET PASSAGEWAY FOR SUPPORTING THE MATERIAL ALONG THE DISTRIBUTOR, AND MEANS FOR
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |