US3174648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for indicating and controlling levels of variable bulk density solids mixtures
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-11-01
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Granted: 1965-03-23
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Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Ted R Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:32
CPC Classifications
G; G05; G05D; G05D9/00; G05D9/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN AN APPARATUS FOR MEANS RESPONSIVE TO THE LEVEL OF A DISPERSE MIXTURE OF SOLID MATERIALS IN A CONTAINER THEREFOR INCLUDING A SHAFT EXTENDING VERTICALLY INTO SAID CONTAINER, THE COMBINATION COMPRISING A MOTION-SENSITIVE ELEMENT SUPPORTED ON SAID SHAFT TO EXTEND OUTWARDLY THEREFROM, SAID ELEMENT INCLUDING A ROTATABLE SECOND SHAFT EXTENDED THERETHROUGH TO EXPOSE THE ENDS; A SUBSTANTIALLY RIGID BRIDLE FIXED TO THE ENDS OF SAID SECOND SHAFT AND EXTENDING OUTWARDLY THEREFROM; A WEIGHT RECEIVED AT ONE END TO SAID BRIDLE; A
Claim 2
Dependent Claim
81 words
IN AN APPARATUS FOR MEANS RESPONSIVE TO THE LEVEL OF A DISPERSE MIXTURE OF SOLID MATERIALS IN A CONTAINER THEREFOR INCLUDING A SHAFT EXTENDING VERTICALLY INTO SAID CONTAINER, THE COMBINATION COMPRISING A MOTION-SENSITIVE ELEMENT SUPPORTED ON SAID SHAFT TO EXTEND OUTWARDLY THEREFROM, SAID ELEMENT INCLUDING A ROTATABLE SECOND SHAFT EXTENDED THERETHROUGH TO EXPOSE THE ENDS; A SUBSTANTIALLY RIGID BRIDLE FIXED TO THE ENDS OF SAID SECOND SHAFT AND EXTENDING OUTWARDLY THEREFROM; A WEIGHT RECEIVED AT ONE END TO SAID BRIDLE; A
References Cited (Backward Citations)
BE510312A
Cited
US2277879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |