US3239946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrating apparatus
Assignee: Pillsbury Co
•
Filing: 1961-12-06
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Granted: 1966-03-15
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Expires: 1981-12-06
Abstract
No abstract record available.
Inventors
- 👤 John H Forkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:52
CPC Classifications
A; A21; A21D; A21D6/00; A23; A23B; A23B2/00; A23B2/90; A23B2/91; A23B4/00; A23B4/03; A23B4/031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN APPARATUS FOR THE DEHYDRATION OF DISCRETE MASSES OF MOIST MATERIAL, TANK MEANS ADAPTED TO CONTAIN A QUANTITY OF HOT OIL, CHARGING MEANS CONNECTED TO THE TANK MEANS AND OPERABLE TO INTRODUCE SAID MATERIAL INTO THE TANK MEANS, EVACUATING MEANS FOR PLACING THE INTERIOR OF THE TANK UNDER PARTIAL VACUUM AND SERVING TO EVACUATE VAPORS AND GASES FROM THE TANK MEANS, SAID CHARGING MEANS HAVING A SPACE NORMALLY CLOSED WITH RESPECT TO THE ATMOSPHERE AND ADAPTED TO CONTAIN A QUANTITY OF MATERIAL TO BE INTRODUCED INTO THE TANK MEANS FOR DEHYDRATION AND ALSO ADAPTED TO BE IN COMMUNICATION WITH THE INTERIOR OF THE TANK MEANS WHEREBY SAID EVACUATING MEANS SERVES TO PLACE BOTH THE INTERIOR OF THE TANK MEANS AND THE SPACE OF SAID CHARGING MEANS UNDER PARTIAL VACUUM, SAID CHARGING MEANS BEING OPERABLE UNDER SUCH CONDITIONS OF PARTIAL VACUUM TO FEED MATERIAL FRFOM SAID SPACE INTO THE INTERIOR OF THE TANK MEANS, AND MEANS FOR REMOVING DISCRETE MASSES OF DEHYDRATED MATERIAL FROM THE TANK MEANS.
Claim 2
Dependent Claim
166 words
IN APPARATUS FOR THE DEHYDRATION OF DISCRETE MASSES OF MOIST MATERIAL, TANK MEANS ADAPTED TO CONTAIN A QUANTITY OF HOT OIL, CHARGING MEANS CONNECTED TO THE TANK MEANS AND OPERABLE TO INTRODUCE SAID MATERIAL INTO THE TANK MEANS, EVACUATING MEANS FOR PLACING THE INTERIOR OF THE TANK UNDER PARTIAL VACUUM AND SERVING TO EVACUATE VAPORS AND GASES FROM THE TANK MEANS, SAID CHARGING MEANS HAVING A SPACE NORMALLY CLOSED WITH RESPECT TO THE ATMOSPHERE AND ADAPTED TO CONTAIN A QUANTITY OF MATERIAL TO BE INTRODUCED INTO THE TANK MEANS FOR DEHYDRATION AND ALSO ADAPTED TO BE IN COMMUNICATION WITH THE INTERIOR OF THE TANK MEANS WHEREBY SAID EVACUATING MEANS SERVES TO PLACE BOTH THE INTERIOR OF THE TANK MEANS AND THE SPACE OF SAID CHARGING MEANS UNDER PARTIAL VACUUM, SAID CHARGING MEANS BEING OPERABLE UNDER SUCH CONDITIONS OF PARTIAL VACUUM TO FEED MATERIAL FRFOM SAID SPACE INTO THE INTERIOR OF THE TANK MEANS, AND MEANS FOR REMOVING DISCRETE MASSES OF DEHYDRATED MATERIAL FROM THE TANK MEANS.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |