Patent US3274699A successfully refreshed from Google Patents.
US3274699A
Expired / Lapsed
US
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Upright crop dryer
Assignee: Individual
•
Filing: 1963-10-23
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Granted: 1966-09-27
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Straut W Naylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:31
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/122; F26B17/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN UPRIGHT DRYING CHAMBER STRUCTURE FOR A CROP DRYER COMPRISING: AN INNER PERFORATED CONICAL-SHAPED WALL; HAVING A LARGE BASE AND SMALL TOP; AN INWARDLY EXTENDING FLANGE PROJECTING FROM THE BASE; AN EXTERNAL UPRIGHT CONICAL-SHAPED PERFORATED WALL FORMED ABOUT THE AXIS OF THE INNER CONICAL-SHAPED WALL AND SPACED THEREFROM, AND HAVING A RELATIVELY SMALL ANNULAR UPPER END AND A RELATIVELY LARGE HORIZONTAL BASE; AND OUTWARDLY EXTENDING FLANGES AT THE UPPER END AND BASE; RADIALLY EXTENDING UPRIGHT PANELS TRAVERSING THE SPACING BETWEEN THE INNER AND OUTER WALLS AND HAVING OPPOSITE INCLINED EDGES FIXED TO THE INNER AND OUTER WALLS AND DEFINING THEREWITH A SERIES OF UPRIGHT COMPARTMENTS, SAID UPRIGHT PANELS HAVING OPENINGS THEREIN FOR AFFORDING COMMUNICATION BETWEEN THE COMPARTMENTS.
Claim 2
Dependent Claim
117 words
AN UPRIGHT DRYING CHAMBER STRUCTURE FOR A CROP DRYER COMPRISING: AN INNER PERFORATED CONICAL-SHAPED WALL; HAVING A LARGE BASE AND SMALL TOP; AN INWARDLY EXTENDING FLANGE PROJECTING FROM THE BASE; AN EXTERNAL UPRIGHT CONICAL-SHAPED PERFORATED WALL FORMED ABOUT THE AXIS OF THE INNER CONICAL-SHAPED WALL AND SPACED THEREFROM, AND HAVING A RELATIVELY SMALL ANNULAR UPPER END AND A RELATIVELY LARGE HORIZONTAL BASE; AND OUTWARDLY EXTENDING FLANGES AT THE UPPER END AND BASE; RADIALLY EXTENDING UPRIGHT PANELS TRAVERSING THE SPACING BETWEEN THE INNER AND OUTER WALLS AND HAVING OPPOSITE INCLINED EDGES FIXED TO THE INNER AND OUTER WALLS AND DEFINING THEREWITH A SERIES OF UPRIGHT COMPARTMENTS, SAID UPRIGHT PANELS HAVING OPENINGS THEREIN FOR AFFORDING COMMUNICATION BETWEEN THE COMPARTMENTS.
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) | 1969-09-26 | 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 |