US3115278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fine solids handling device
Assignee: A-S-H INDUSTRIES Inc
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Filing: 1961-01-05
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Granted: 1963-12-24
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Expires: 1981-01-05
Abstract
No abstract record available.
Inventors
- 👤 Lauritz E Mylting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:38
CPC Classifications
B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1616; B65G2812/1625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A DEVICE FOR HANDLING FINE SOLIDS WHICH COMPRISES A HOPPER HAVING AN INLET IN ITS UPPER PORTION AND AN OUTLET IN ITS LOWER PORTION, A GATE TO OPEN AND CLOSE SAID INLET, A HOUSING ATTACHED TO THE HOPPER AND DEFINING A CHAMBER INTO WHICH SAID OUTLET OPENS, MEANS IN THE CHAMBER BELOW SAID OUTLET FOR FEEDING SOLIDS THROUGH SAID OUTLET AND INTO SAID CHAMBER, A CONDUIT LEADING OUT OF THE CHAMBER BELOW SAID FEEDING MEANS, AND MEANS TO CONTROL THE CHARGING OF SOLIDS INTO THE HOPPER AND THEIR REMOVAL THEREFROM, SAID MEANS INCLUDING POSITION-SENSING MEANS RESPONSIVE TO THE WEIGHT OF SOLIDS IN THE HOPPER, AND A FOUR-WAY VALVE CONTROLLED BY SAID POSITION-SENSING MEANS AND ADAPTED TO CONTROL THE MOVEMENT OF SAID GATE AND THE REMOVAL OF SOLIDS FROM THE HOUSING.
Claim 2
Independent Claim
130 words
A DEVICE FOR HANDLING FINE SOLIDS WHICH COMPRISES A HOPPER HAVING AN INLET IN ITS UPPER PORTION AND AN OUTLET IN ITS LOWER PORTION, A GATE TO OPEN AND CLOSE SAID INLET, A HOUSING ATTACHED TO THE HOPPER AND DEFINING A CHAMBER INTO WHICH SAID OUTLET OPENS, MEANS IN THE CHAMBER BELOW SAID OUTLET FOR FEEDING SOLIDS THROUGH SAID OUTLET AND INTO SAID CHAMBER, A CONDUIT LEADING OUT OF THE CHAMBER BELOW SAID FEEDING MEANS, AND MEANS TO CONTROL THE CHARGING OF SOLIDS INTO THE HOPPER AND THEIR REMOVAL THEREFROM, SAID MEANS INCLUDING POSITION-SENSING MEANS RESPONSIVE TO THE WEIGHT OF SOLIDS IN THE HOPPER, AND A FOUR-WAY VALVE CONTROLLED BY SAID POSITION-SENSING MEANS AND ADAPTED TO CONTROL THE MOVEMENT OF SAID GATE AND THE REMOVAL OF SOLIDS FROM THE HOUSING.
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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |