Patent US3071295A successfully refreshed from Google Patents.
US3071295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bulk feeding apparatus
Assignee: Individual
•
Filing: 1958-04-18
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Granted: 1963-01-01
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Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Richard V Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:57
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/48; B65G65/489
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A BULK FEEDING APPARATUS COMPRISING A GENERALLY VERTICALLY WALLED SUPPLY HOPPER, A RECEIVING HOPPER, A ROTATABLE CONVEYOR TUBE; SAID RECEIVING HOPPER COMPRISING A GENERALLY RECTANGULAR ENTRANCE OPENING POSITIONED IN A SUBSTANTIALLY HORIZONTAL PLANE; A GENERALLY ROUND EXIT OPENING POSITIONED IN A SUBSTANTIALLY VERTICAL PLANE, AND A CURVED ELBOW SHAPED CHUTE BETWEEN SAID ENTRANCE AND SAID EXIT OPENINGS PROVIDING A GRADUAL TRANSITION THEREBETWEEN; SAID SUPPLY HOPPER HAVING A LOWER OPENING ENTERED INTO SAID ENTRANCE OPENING; SAID CONVEYOR TUBE HAVING A DISCHARGE OPENING AT ONE END AND AN ENTRANCE OPENING AT THE OTHER END THROUGH WHICH SAID EXIT OPENING IS ENTERED; TILTING MEANS OPERATIVELY CONNECTED TO SAID CONVEYOR TUBE FOR CHANGING THE ANGLE OF INCLINATION OF ITS LONGITUDINAL AXIS; SAID CONVEYOR TUBE BEING PIVOTED ABOUT A HORIZONTAL AXIS DISPOSED NEAR SAID ENTRANCE OPENING OF SAID CONVEYOR TUBE.
Claim 2
Dependent Claim
135 words
A BULK FEEDING APPARATUS COMPRISING A GENERALLY VERTICALLY WALLED SUPPLY HOPPER, A RECEIVING HOPPER, A ROTATABLE CONVEYOR TUBE; SAID RECEIVING HOPPER COMPRISING A GENERALLY RECTANGULAR ENTRANCE OPENING POSITIONED IN A SUBSTANTIALLY HORIZONTAL PLANE; A GENERALLY ROUND EXIT OPENING POSITIONED IN A SUBSTANTIALLY VERTICAL PLANE, AND A CURVED ELBOW SHAPED CHUTE BETWEEN SAID ENTRANCE AND SAID EXIT OPENINGS PROVIDING A GRADUAL TRANSITION THEREBETWEEN; SAID SUPPLY HOPPER HAVING A LOWER OPENING ENTERED INTO SAID ENTRANCE OPENING; SAID CONVEYOR TUBE HAVING A DISCHARGE OPENING AT ONE END AND AN ENTRANCE OPENING AT THE OTHER END THROUGH WHICH SAID EXIT OPENING IS ENTERED; TILTING MEANS OPERATIVELY CONNECTED TO SAID CONVEYOR TUBE FOR CHANGING THE ANGLE OF INCLINATION OF ITS LONGITUDINAL AXIS; SAID CONVEYOR TUBE BEING PIVOTED ABOUT A HORIZONTAL AXIS DISPOSED NEAR SAID ENTRANCE OPENING OF SAID CONVEYOR TUBE.
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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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |