Patent US3353713A successfully refreshed from Google Patents.
US3353713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for charging small quantities of granular materials
Assignee: Universal Oil Products Co
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Filing: 1966-03-02
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Granted: 1967-11-21
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Norman H Scott
- 👤 Kenneth D Vesely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:27
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
AN APPARATUS SYSTEM FOR DISCHARGING SMALL QUANTITIES OF GRANULAR SOLIDS MATERIAL FROM A FEED HOPPER BY THE USE OF A CONTROLLED LIQUID FLOW RATE FROM A SEPARATE LIQUID CONTAINER, COMPRISING IN COMBINATION, AN ELECTRIC POWER OPERATED FEEDER MEANS HAVING A POWER SUPPLY LINE THERETO AND POSITIONED IN ASSOCIATION WITH A SUPERPOSED FEED HOPPER HAVING A REDUCED AREA LOWER PARTICLE OUTLET THEREFROM, A BALANCE BEAM WITH A DECK MEANS AT ONE END THEREOF HOLDING SAID FEEDER MEANS, AN OPPOSING DECK MEANS FOR SAID BALANCE BEAM HOLDING A LIQUID RETAINING CONTAINER FOR IN TURN MAINTAINING A BALANCING WEIGHT FOR THE FEEDER MEANS, A LIQUID FLOW LINE AND ADJUSTABLE LIQUID DISCHARGE MEANS CONNECTING WITH SAID CONTAINER FOR REMOVING LIQUID THEREFROM AT A CONTROLLED RATE, AND ACTUATOR MEANS FOR OPERATING SAID FEEDER MEANS THAT IS POSITIONED TO BE RESPONSIVE TO THE BALANCING BEAM MOVEMENT WHEREBY SAID FEEDER MEANS WILL REMAIN OPERATIVE RESPONSIVE TO A GREATER WEIGHT ON THE FEEDER SIDE OF SAID BALANCE BEAM, SAID ACTUATOR MEANS COMPRISING AN ELECTRICAL SWITCHING MEANS IN SAID POWER SUPPLY LINE WHICH IS OPENED AND CLOSED RESPONSIVE TO SLIGHT UP AND DOWN MOVEMENTS OF SAID BALANCE BEAM AND THE FEEDER MEANS SUPPORTED THEREBY.
Claim 2
Independent Claim
195 words
AN APPARATUS SYSTEM FOR DISCHARGING SMALL QUANTITIES OF GRANULAR SOLIDS MATERIAL FROM A FEED HOPPER BY THE USE OF A CONTROLLED LIQUID FLOW RATE FROM A SEPARATE LIQUID CONTAINER, COMPRISING IN COMBINATION, AN ELECTRIC POWER OPERATED FEEDER MEANS HAVING A POWER SUPPLY LINE THERETO AND POSITIONED IN ASSOCIATION WITH A SUPERPOSED FEED HOPPER HAVING A REDUCED AREA LOWER PARTICLE OUTLET THEREFROM, A BALANCE BEAM WITH A DECK MEANS AT ONE END THEREOF HOLDING SAID FEEDER MEANS, AN OPPOSING DECK MEANS FOR SAID BALANCE BEAM HOLDING A LIQUID RETAINING CONTAINER FOR IN TURN MAINTAINING A BALANCING WEIGHT FOR THE FEEDER MEANS, A LIQUID FLOW LINE AND ADJUSTABLE LIQUID DISCHARGE MEANS CONNECTING WITH SAID CONTAINER FOR REMOVING LIQUID THEREFROM AT A CONTROLLED RATE, AND ACTUATOR MEANS FOR OPERATING SAID FEEDER MEANS THAT IS POSITIONED TO BE RESPONSIVE TO THE BALANCING BEAM MOVEMENT WHEREBY SAID FEEDER MEANS WILL REMAIN OPERATIVE RESPONSIVE TO A GREATER WEIGHT ON THE FEEDER SIDE OF SAID BALANCE BEAM, SAID ACTUATOR MEANS COMPRISING AN ELECTRICAL SWITCHING MEANS IN SAID POWER SUPPLY LINE WHICH IS OPENED AND CLOSED RESPONSIVE TO SLIGHT UP AND DOWN MOVEMENTS OF SAID BALANCE BEAM AND THE FEEDER MEANS SUPPORTED THEREBY.
References Cited (Backward Citations)
US1940946A
Cited
US2416994A
Cited
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 |