USRE27931E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for aerating stored grain
Assignee: —
•
Filing: 1972-06-14
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Granted: 1974-02-26
•
Expires: 1992-06-14
Abstract
Abstract AN APPARATUS FOR AERATING GRAIN STORED IN AN ENCLOSURE BY MECHANICALLY MOVING A STIRRING APPARATUS THERETHROUGH. THE APPARATUS COMPRISES A VERTICALLY DISPOSED ELEMENT WHICH IS ROTATABLY MOUNTED ON A CARRIAGE MOVABLE ITSELF BACK AND FORTH ON A FLIGHTLESS, SMOOTH TUBULAR MEMBER WHICH IS ROTATED ABOUT ITS OWN AXIS AS IT IS MOVED OVER THE STORED GRAIN. THE TUBULAR MEMBER IS SUPPORTED ABOVE THE GRAIN BY MEANS CONNECTED TO THE ENCLOSURE AND A MOTOR IS PROVIDED FOR BOTH OTATING AND MOVING THE TUBULAR MEMBER.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:37
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |