US3353720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling equipment
Assignee: Individual
•
Filing: 1965-10-24
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Granted: 1967-11-21
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Ricciardi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:57
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/66; B01; B01F; B01F31/00; B01F31/44; B01F31/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
APPARATUS FOR CONDITIONING AND DISPENSING PARTICULATE SOLID MATERIAL COMPRISING AN UPPER STORAGE BIN, A HOPPER BOTTOM HAVING SIDEWALLS HAVING A SLOPE OF BETWEEN ABOUT 5 DEGREES AND ABOUT 45 DEGREES WITH RESPECT TO THE HORIZONTAL, A FLEXIBLE SLEEVE INTERCONNECTING SAID BIN AND SAID HOPPER BOTTOM, A FRAME CONNECTED TO SAID HOPPER BOTTOM, SAID FRAME HAVING UPWARDLY EXTENDING MEMBERS, A PIVOT SHAFT EXTENDING TRANSVERSELY THROUGH SAID UPPER STORAGE BIN AND BEING PIVOTALLY MOUNTED THEREON, SAID UPWARDLY EXTENDING MEMBERS BEING CONNECTED TO SAID PIVOT SHAFT OUTWARDLY OF SAID STORAGE BIN, SAID PIVOT SHAFT BEING LOCATED A DISTANCE FROM SAID HOPPER BOTTOM OF THE ORDER OF ABOUT .1 TO ABOUT 3 TIMES THE MAXIMUM CIRCUMFERENCE OF SAID HOPPER BOTTOM, AND AN AGITATOR FIXEDLY CONNECTED TO SAID PIVOT SHAFT TO EXTEND DOWNWARDLY WITHIN SAID UPPER STORAGE BIN, MEANS CONNECTED TO SAID HOPPER BOTTOM FOR IMPARTING ARCUATE RECIPROCATING MOTION SIMULATANEOUSLY TO SAID HOPPER BOTTOM AND SAID AGITATOR
Claim 2
Dependent Claim
152 words
APPARATUS FOR CONDITIONING AND DISPENSING PARTICULATE SOLID MATERIAL COMPRISING AN UPPER STORAGE BIN, A HOPPER BOTTOM HAVING SIDEWALLS HAVING A SLOPE OF BETWEEN ABOUT 5 DEGREES AND ABOUT 45 DEGREES WITH RESPECT TO THE HORIZONTAL, A FLEXIBLE SLEEVE INTERCONNECTING SAID BIN AND SAID HOPPER BOTTOM, A FRAME CONNECTED TO SAID HOPPER BOTTOM, SAID FRAME HAVING UPWARDLY EXTENDING MEMBERS, A PIVOT SHAFT EXTENDING TRANSVERSELY THROUGH SAID UPPER STORAGE BIN AND BEING PIVOTALLY MOUNTED THEREON, SAID UPWARDLY EXTENDING MEMBERS BEING CONNECTED TO SAID PIVOT SHAFT OUTWARDLY OF SAID STORAGE BIN, SAID PIVOT SHAFT BEING LOCATED A DISTANCE FROM SAID HOPPER BOTTOM OF THE ORDER OF ABOUT .1 TO ABOUT 3 TIMES THE MAXIMUM CIRCUMFERENCE OF SAID HOPPER BOTTOM, AND AN AGITATOR FIXEDLY CONNECTED TO SAID PIVOT SHAFT TO EXTEND DOWNWARDLY WITHIN SAID UPPER STORAGE BIN, MEANS CONNECTED TO SAID HOPPER BOTTOM FOR IMPARTING ARCUATE RECIPROCATING MOTION SIMULATANEOUSLY TO SAID HOPPER BOTTOM AND SAID AGITATOR
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |