US3162325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant rate feeder
Assignee: Toledo Scale Corp
•
Filing: 1961-04-12
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Granted: 1964-12-22
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Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 Donivan L Hall
- 👤 Jr Roger B Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:44
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/18; G01G23/36; G01G23/37; G01G11/00; G01G11/04; G01G11/043; G01G11/08; G01G11/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A CONSTANT RATE FEEDER COMPRISING, IN COMBINATION, FIRST MEANS DRIVEN AT A CONSTANT SPEED FOR DELIVERING MATERIAL, SECOND MEANS FOR MEASURING WEIGHT DEVIATION FROM A DESIRED WEIGHT OF THE MATERIAL UPON THE FIRST MEANS AND FOR CONTINUOUSLY AVERAGING INSTANTANEOUS ERRORS IN WEIGHT OF MATERIAL ON AND DELIVERED BY THE FIRST MEANS, A FEEDER FOR FEEDING THE MATERIAL ONTO THE FIRST MEANS, AND A CONTROL FOR SAID FEEDER, SAID CONTROL BEING RESPONSIVE TO SAID SECOND MEANS AND CONTINUOUSLY CONTROLLING SAID FEEDER TO MAINTAIN SAID CONSTANT RATE.
Claim 2
Dependent Claim
85 words
A CONSTANT RATE FEEDER COMPRISING, IN COMBINATION, FIRST MEANS DRIVEN AT A CONSTANT SPEED FOR DELIVERING MATERIAL, SECOND MEANS FOR MEASURING WEIGHT DEVIATION FROM A DESIRED WEIGHT OF THE MATERIAL UPON THE FIRST MEANS AND FOR CONTINUOUSLY AVERAGING INSTANTANEOUS ERRORS IN WEIGHT OF MATERIAL ON AND DELIVERED BY THE FIRST MEANS, A FEEDER FOR FEEDING THE MATERIAL ONTO THE FIRST MEANS, AND A CONTROL FOR SAID FEEDER, SAID CONTROL BEING RESPONSIVE TO SAID SECOND MEANS AND CONTINUOUSLY CONTROLLING SAID FEEDER TO MAINTAIN SAID CONSTANT RATE.
References Cited (Backward Citations)
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Cited
US2796197A
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US2962150A
Cited
US3067939A
Cited
US2990937A
Cited
US3062408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-22 | 1968-06-22 | 1968-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-22 | 1972-06-22 | 1972-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-22 | 1976-06-22 | 1976-12-22 | $7700.00 | Window Closed / Lapsed |