Patent US3196774A successfully refreshed from Google Patents.
US3196774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for circulating air within closed buildings
Assignee: Behlen Manufacturing Co Inc
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Filing: 1962-06-27
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Granted: 1965-07-27
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Henry L Kripal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:50
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/742; F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F7/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A MATERIAL AERATING MEANS FOR A CLOSABLE STORAGE BIN HAVING WALLS, FLOOR AND ROOF, A HOLLOW CYLINDER MEMBER DISPOSED WITHIN SAID STORAGE BIN, SAID HOLLOW CYLINDER MEMBER HAVING AT LEAST ONE APERTURE NEAR ONE END AND OPEN AT ITS OTHER END, SAID HOLLOW CYLINDER MEMBER HAVING VERTICALLY DISPOSED IN SAID STORAGE BIN AND HAVING ITS SAID ONE END IN CONTACT WITH THE FLOOR OF SAID STORAGE BIN, AT LEAST ONE RADIALLY EXTENDING DEPRESSION IN SAID FLOOR OF SAID STORAGE BIN, THE INTERIOR OF SAID DEPRESSION BEING IN COMMUNICATION WITH THE INTERIOR OF SAID HOLLOW CYLINDER MEMBER,. AND A POWDERED FAN MEANS DISPOSED WITHIN SAID HOLLOW CYLINDER MEMBER ADAPTED TO CIRCULATE AIR FROM THE INTERIOR OF SAID STORAGE BIN THROUGH SAID DEPRESSION AND SAID HOLLOW CYLINDER MEMBER THENCE BACK INTO THE INTERIOR OF SAID STORAGE BIN.
Claim 2
Dependent Claim
135 words
A MATERIAL AERATING MEANS FOR A CLOSABLE STORAGE BIN HAVING WALLS, FLOOR AND ROOF, A HOLLOW CYLINDER MEMBER DISPOSED WITHIN SAID STORAGE BIN, SAID HOLLOW CYLINDER MEMBER HAVING AT LEAST ONE APERTURE NEAR ONE END AND OPEN AT ITS OTHER END, SAID HOLLOW CYLINDER MEMBER HAVING VERTICALLY DISPOSED IN SAID STORAGE BIN AND HAVING ITS SAID ONE END IN CONTACT WITH THE FLOOR OF SAID STORAGE BIN, AT LEAST ONE RADIALLY EXTENDING DEPRESSION IN SAID FLOOR OF SAID STORAGE BIN, THE INTERIOR OF SAID DEPRESSION BEING IN COMMUNICATION WITH THE INTERIOR OF SAID HOLLOW CYLINDER MEMBER,. AND A POWDERED FAN MEANS DISPOSED WITHIN SAID HOLLOW CYLINDER MEMBER ADAPTED TO CIRCULATE AIR FROM THE INTERIOR OF SAID STORAGE BIN THROUGH SAID DEPRESSION AND SAID HOLLOW CYLINDER MEMBER THENCE BACK INTO THE INTERIOR OF SAID STORAGE BIN.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |