Patent US3280473A successfully refreshed from Google Patents.
US3280473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cereal dryer
Assignee: Individual
•
Filing: 1965-06-03
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Granted: 1966-10-25
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Expires: 1985-06-03
Abstract
No abstract record available.
Inventors
- 👤 Alan L Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:23
CPC Classifications
F; F26; F26B; F26B9/00; F26B9/006; F26B9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A CEREAL DRYER COMPRISING A SHALLOW TRAY OF LARGE HORIZONTAL DIMENSION AND VERTICAL SIDES ADAPTED TO CONTAIN A LARGE VOLUME OF CEREAL, AN AIR AND MOISTURE IMPERVIOUS FLEXIBLE COVER ADAPTED TO FIT IN SEALING RELATIONSHIP WITH THE VERTICAL SIDES OF THE TRAY, SAID COVER BEING OF SUFFICIENT SIZE TO COVER A QUANTITY OF CEREAL WHOSE VOLUME IS GREATER THAN THE VOLUME OF THE TRAY, INLET MEANS FOR UNIFORMLY INTRODUCING INCOMING AIR INTO THE TRAY AND FLEXIBLE COVER, MEANS FOR REMOVING AIR FROM THE TRAY AND THE FLEXIBLE COVER AND MEANS FOR ADJUSTING THE RELATIONSHIP BETWEEN THE INCOMING AND REMOVED AIR WHEREBY A CONDITION OF NEGATIVE PRESSURE IS MAINTAINED WITHIN THE FLEXIBLE COVER THEREBY CAUSING IT TO SUBSTANTIALLY MOLD ITSELF TO THE CONTOURS OF CEREAL CONTAINED THEREWITHIN.
Claim 2
Dependent Claim
126 words
A CEREAL DRYER COMPRISING A SHALLOW TRAY OF LARGE HORIZONTAL DIMENSION AND VERTICAL SIDES ADAPTED TO CONTAIN A LARGE VOLUME OF CEREAL, AN AIR AND MOISTURE IMPERVIOUS FLEXIBLE COVER ADAPTED TO FIT IN SEALING RELATIONSHIP WITH THE VERTICAL SIDES OF THE TRAY, SAID COVER BEING OF SUFFICIENT SIZE TO COVER A QUANTITY OF CEREAL WHOSE VOLUME IS GREATER THAN THE VOLUME OF THE TRAY, INLET MEANS FOR UNIFORMLY INTRODUCING INCOMING AIR INTO THE TRAY AND FLEXIBLE COVER, MEANS FOR REMOVING AIR FROM THE TRAY AND THE FLEXIBLE COVER AND MEANS FOR ADJUSTING THE RELATIONSHIP BETWEEN THE INCOMING AND REMOVED AIR WHEREBY A CONDITION OF NEGATIVE PRESSURE IS MAINTAINED WITHIN THE FLEXIBLE COVER THEREBY CAUSING IT TO SUBSTANTIALLY MOLD ITSELF TO THE CONTOURS OF CEREAL CONTAINED THEREWITHIN.
References Cited (Backward Citations)
US2895400A
Cited
US2929154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |