US3210130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air lift chute for light rectangular articles
Assignee: Brown and Williamson Holdings Inc
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Filing: 1963-08-29
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Granted: 1965-10-05
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 James G Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:45
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
AN AIR CHUTE FOR ELEVATING SMALL LIGHT ARTICLES COMPRISING A DUCT MOUNTED IN UPRIGHT POSITION, MEANS FOR SUPPLYING AIR TO THE DUCT THROUGH A VENTURI DEVICE AT THE LOWER END OF THE DUCT, AN ENTRANCE OPENING IN THE SIDE OF THE DUCT IMMEDIATELY ABOVE THE VENTURI DEVICE, AN ARTICLE-ENTRANCE CASING EXTENDING LATERALLY FROM SAID OPENING FOR GUIDING AND DELIVERING INTO THE DUCT INDIVIDUAL ARTICLES IN SUCCESSION, AN ARTICLE BAFFLE WITHIN THE ENTRANCE CASING HAVING A DOWNWARDLY CONVEX LOWER SURFACE EXTENDING LENGTHWISE OF THE CASING FOR GUIDING THE SUCCESSIVE ARTICLES THERTHROUGH, A DEFLECTOR PLATE ON THE FLOOR OF THE CASING FOR COOPERATING WITH THE BAFFLE IN DIRECTING THE ARTICLES UPWARDLY THROUGH SAID OPENING INTO THE AIR STREAM ISSUING FROM THE VENTURI DEVICE, AND MEANS FOR SUPPLYING ARTICLES SUCCESSIVELY TO THE ENTRANCE CASING, THE SUCTION PRODUCED BY THE VENTURI DEVICE CAUSING THE ARTICLES TO BE DELIVERED INTO THE AIR STREAM OF SUCH DEVICE SO AS TO BE CARRIED UPWARDLY BY THE STREAM THROUGH THE DUCT.
Claim 2
Dependent Claim
163 words
AN AIR CHUTE FOR ELEVATING SMALL LIGHT ARTICLES COMPRISING A DUCT MOUNTED IN UPRIGHT POSITION, MEANS FOR SUPPLYING AIR TO THE DUCT THROUGH A VENTURI DEVICE AT THE LOWER END OF THE DUCT, AN ENTRANCE OPENING IN THE SIDE OF THE DUCT IMMEDIATELY ABOVE THE VENTURI DEVICE, AN ARTICLE-ENTRANCE CASING EXTENDING LATERALLY FROM SAID OPENING FOR GUIDING AND DELIVERING INTO THE DUCT INDIVIDUAL ARTICLES IN SUCCESSION, AN ARTICLE BAFFLE WITHIN THE ENTRANCE CASING HAVING A DOWNWARDLY CONVEX LOWER SURFACE EXTENDING LENGTHWISE OF THE CASING FOR GUIDING THE SUCCESSIVE ARTICLES THERTHROUGH, A DEFLECTOR PLATE ON THE FLOOR OF THE CASING FOR COOPERATING WITH THE BAFFLE IN DIRECTING THE ARTICLES UPWARDLY THROUGH SAID OPENING INTO THE AIR STREAM ISSUING FROM THE VENTURI DEVICE, AND MEANS FOR SUPPLYING ARTICLES SUCCESSIVELY TO THE ENTRANCE CASING, THE SUCTION PRODUCED BY THE VENTURI DEVICE CAUSING THE ARTICLES TO BE DELIVERED INTO THE AIR STREAM OF SUCH DEVICE SO AS TO BE CARRIED UPWARDLY BY THE STREAM THROUGH THE DUCT.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |