Patent US3264756A successfully refreshed from Google Patents.
US3264756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying tray
Assignee: Pennwalt Corp
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Filing: 1964-06-01
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Granted: 1966-08-09
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Manuel E Fuentevilla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:52
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/06; F26B25/14; F26B25/18; F26B5/00; F26B5/04; F26B5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A TRAY FOR THE DRYING OF MATERIAL UNDER VACUUM CONDITIONS WHILE SUCH MATERIAL IS MOVING ALONG SAID TRAY COMPRISING A FLAT EXTRUDED HOLLOW BODY HAVING BOUNDARY WALLS AND A TOP SURFACE, UPRIGHT LATERALLY SPACED LONGITUDINAL RIBS ON SAID SURFACE, SAID SURFACE AND SAID RIBS BEING SMOOTH IN A LENGTHWISE DIRECTION TO PROMOTE SMOOTH MOVEMENT OF MATERIAL THEREALONG TO A DROP OFF POINT FOR MATERIAL, LATERALLY SPACED LONGITUDINAL PARTITIONS TRANSECTING THE INTERIOR OF SAID HOLLOW BODY, END PLATE MEANS SECURED TO SAID BODY AND COMPRISING THE END WALLS OF THE HOLLOW BODY, SAID END PLATE MEANS EXTENDING NO HIGHER THAN SAID TOP SURFACE, AT LEAST SOME OF SAID PARTITIONS STOPPING SHORT OF THE END PLATE MEANS TO PROVIDE A PATH FOR TRANSVERSE MOVEMENT OF FLUID AROUND THE ENDS OF SAID PARTITIONS AND CONDUIT MEANS SECURED TO THE TRAY AND COMMUNICATING WITH THE INTERIOR OF SAID BODY TO PROVIDE AN INLET AND AN OUTLET FOR A HEAT EXCHANGE FLUID.
Claim 2
Dependent Claim
157 words
A TRAY FOR THE DRYING OF MATERIAL UNDER VACUUM CONDITIONS WHILE SUCH MATERIAL IS MOVING ALONG SAID TRAY COMPRISING A FLAT EXTRUDED HOLLOW BODY HAVING BOUNDARY WALLS AND A TOP SURFACE, UPRIGHT LATERALLY SPACED LONGITUDINAL RIBS ON SAID SURFACE, SAID SURFACE AND SAID RIBS BEING SMOOTH IN A LENGTHWISE DIRECTION TO PROMOTE SMOOTH MOVEMENT OF MATERIAL THEREALONG TO A DROP OFF POINT FOR MATERIAL, LATERALLY SPACED LONGITUDINAL PARTITIONS TRANSECTING THE INTERIOR OF SAID HOLLOW BODY, END PLATE MEANS SECURED TO SAID BODY AND COMPRISING THE END WALLS OF THE HOLLOW BODY, SAID END PLATE MEANS EXTENDING NO HIGHER THAN SAID TOP SURFACE, AT LEAST SOME OF SAID PARTITIONS STOPPING SHORT OF THE END PLATE MEANS TO PROVIDE A PATH FOR TRANSVERSE MOVEMENT OF FLUID AROUND THE ENDS OF SAID PARTITIONS AND CONDUIT MEANS SECURED TO THE TRAY AND COMMUNICATING WITH THE INTERIOR OF SAID BODY TO PROVIDE AN INLET AND AN OUTLET FOR A HEAT EXCHANGE FLUID.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |