US3280328A
Expired / Lapsed
US
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Apparatus signaling density of bulk material
Assignee: Allis Chalmers Corp
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Filing: 1963-07-01
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Granted: 1966-10-18
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 David H Gieskieng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:15
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/24; G01N23/00; G01N23/02; G01N23/06; G01N23/12; G01N23/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN APPARATUS FOR PRODUCING A SIGNAL INDICATIVE OF THE DENSITY OF A MIX OF RANDOM SIZE PARTICLES OF BULK MATERIAL COMPRISING, MEANS CHANNELING A FLOW OF SCREENED MATERIAL ALONG AN UPWARD INCLINE AN ESTABLISHING ON THE INCLINE A LAYER OF MATERIAL HAVING A PREDETERMINED WIDTH AND AT LEAST A PREDETERMINED MINIMUM LEVEL PROVIDIG A DEPTH WHICH ON THE LOWER END OF THE INCLINE IS DEEPER THAN THE DEPTH OF MATERIAL ON THE UPPER END THEREOF, MEANS CONNECTED TO THE CHANNELING MEANS FOR SHAKING THE MATERIAL TO ADVANCE MATERIAL UP SAID INCLINE TO BE DISCHARGED AT A LEVEL ABOVE THE BOTTOM OF THE INCLINE WHILE MAINTAINING SAID MINIMUM LEVEL AND DEPTH,
Claim 2
Independent Claim
110 words
AN APPARATUS FOR PRODUCING A SIGNAL INDICATIVE OF THE DENSITY OF A MIX OF RANDOM SIZE PARTICLES OF BULK MATERIAL COMPRISING, MEANS CHANNELING A FLOW OF SCREENED MATERIAL ALONG AN UPWARD INCLINE AN ESTABLISHING ON THE INCLINE A LAYER OF MATERIAL HAVING A PREDETERMINED WIDTH AND AT LEAST A PREDETERMINED MINIMUM LEVEL PROVIDIG A DEPTH WHICH ON THE LOWER END OF THE INCLINE IS DEEPER THAN THE DEPTH OF MATERIAL ON THE UPPER END THEREOF, MEANS CONNECTED TO THE CHANNELING MEANS FOR SHAKING THE MATERIAL TO ADVANCE MATERIAL UP SAID INCLINE TO BE DISCHARGED AT A LEVEL ABOVE THE BOTTOM OF THE INCLINE WHILE MAINTAINING SAID MINIMUM LEVEL AND DEPTH,
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |