US3085831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fine solids transferring device and method
Assignee: Allen Sherman Hoff Co
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Filing: 1961-10-16
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Granted: 1963-04-16
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Mylting Lauritz Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:11
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/46; B65G53/4608; B65G53/4625; B65G53/4633
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
APPARATUS FOR HANDLING FINE SOLIDS COMPRISING: (A) A PLURALITY OF HOPPERS FOR FINE SOLIDS HAVING DISCHARGE OPENINGS IN THEIR LOWER ENDS, (B) FEEDER HOUSINGS AT THE LOWER ENDS OF THE HOPPERS AND HAVING OPENINGS IN THEIR UPPER ENDS TO RECEIVE FINE SOLIDS FROM THE HOPPERS AND HAVING OPEN LOWER ENDS, (C) ROTARY FEEDERS IN SAID HOUSINGS, (D) A STORAGE CHAMBER, (E) A MAIN CONDUIT CONNECTED TO THE LOWER ENDS OF THE SAID HOUSINGS TO RECEIVE SOLIDS THEREFROM AND CONNECTED TO SAID STORAGE CHAMBER, (F) A SECONDARY CONDUIT HAVING BRANCHES OPENING INTO THE SEVERAL HOUSINGS BETWEEN THEIR UPPER AND LOWER ENDS, (G) MEANS FOR CAUSING AIR TO FLOW THROUGH SAID MAIN CONDUIT AT A PRESSURE SUFFICIENTLY HIGH TO ENTRAIN SOLIDS DISCHARGED FROM SAID HOUSINGS AND TO CARRY THE SOLIDS TO SAID CHAMBER, (H) AND MEANS FOR CAUSING AIR TO FLOW THROUGH SAID BRANCHES AND INTO SAID HOUSINGS AT A PRESSURE HIGHER THAN THE PRESSURE IN THE MAIN CONDUIT.
Claim 2
Dependent Claim
157 words
APPARATUS FOR HANDLING FINE SOLIDS COMPRISING: (A) A PLURALITY OF HOPPERS FOR FINE SOLIDS HAVING DISCHARGE OPENINGS IN THEIR LOWER ENDS, (B) FEEDER HOUSINGS AT THE LOWER ENDS OF THE HOPPERS AND HAVING OPENINGS IN THEIR UPPER ENDS TO RECEIVE FINE SOLIDS FROM THE HOPPERS AND HAVING OPEN LOWER ENDS, (C) ROTARY FEEDERS IN SAID HOUSINGS, (D) A STORAGE CHAMBER, (E) A MAIN CONDUIT CONNECTED TO THE LOWER ENDS OF THE SAID HOUSINGS TO RECEIVE SOLIDS THEREFROM AND CONNECTED TO SAID STORAGE CHAMBER, (F) A SECONDARY CONDUIT HAVING BRANCHES OPENING INTO THE SEVERAL HOUSINGS BETWEEN THEIR UPPER AND LOWER ENDS, (G) MEANS FOR CAUSING AIR TO FLOW THROUGH SAID MAIN CONDUIT AT A PRESSURE SUFFICIENTLY HIGH TO ENTRAIN SOLIDS DISCHARGED FROM SAID HOUSINGS AND TO CARRY THE SOLIDS TO SAID CHAMBER, (H) AND MEANS FOR CAUSING AIR TO FLOW THROUGH SAID BRANCHES AND INTO SAID HOUSINGS AT A PRESSURE HIGHER THAN THE PRESSURE IN THE MAIN CONDUIT.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |