US3257738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for dehydrating moisture containing materials
Assignee: SEYMOUR C YUTER
•
Filing: 1962-09-24
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Granted: 1966-06-28
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Margittai Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:11
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1417; A; A23; A23B; A23B2/00; A23B2/90; A23B7/00; A23B7/02; F26; F26B; F26B21/00; F26B21/30; F26B21/33; F26B21/331; F26B3/00; F24F2003/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE PROCESS FOR THE DEHYDRATION OF MOISTURE CONTAINING MATERIAL COMPRISING PASSING A GASEOUS DEHYDRATING MEDIUM PAST SAID MATERIAL, REIRCULATING SAID DEHYDRATING MEDIUM IN A CLOSED CIRCUIT PAST FLOWABLE SOLID LIQUIFIABLE HYGROSCOPIC MATERIAL FOR PROGRESSIVELY REMOVING MOISTURE FROM SAID DEHYDRATING MEDIUM AND CHANGING SAID HYGROSCOPIC MATERIAL TO LIQUIFIED FORM, REGENERATING AND FORMING SAID LIQUIFIED HYGROSCOPIC MATERIAL TO SOLID FLOW ABLE FORM FOR REUSE IN SAID CLOSED CIRCUIT, AND RETURNING SAID HYGROSCOPIC MATERIAL TO SAID CLOSED CIRCUIT AFTER SAID HYGROSCOPIC MATERIAL HAS BEEN REFORMED TO SOLID FORM.
Claim 2
Dependent Claim
85 words
THE PROCESS FOR THE DEHYDRATION OF MOISTURE CONTAINING MATERIAL COMPRISING PASSING A GASEOUS DEHYDRATING MEDIUM PAST SAID MATERIAL, REIRCULATING SAID DEHYDRATING MEDIUM IN A CLOSED CIRCUIT PAST FLOWABLE SOLID LIQUIFIABLE HYGROSCOPIC MATERIAL FOR PROGRESSIVELY REMOVING MOISTURE FROM SAID DEHYDRATING MEDIUM AND CHANGING SAID HYGROSCOPIC MATERIAL TO LIQUIFIED FORM, REGENERATING AND FORMING SAID LIQUIFIED HYGROSCOPIC MATERIAL TO SOLID FLOW ABLE FORM FOR REUSE IN SAID CLOSED CIRCUIT, AND RETURNING SAID HYGROSCOPIC MATERIAL TO SAID CLOSED CIRCUIT AFTER SAID HYGROSCOPIC MATERIAL HAS BEEN REFORMED TO SOLID FORM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |