US2744792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for conveying comminuted materials
Assignee: Individual
•
Filing: 1952-03-07
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Granted: 1956-05-08
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Expires: 1972-03-07
Abstract
No abstract record available.
Inventors
- 👤 John S Finn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:15
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN APPARATUS FOR MOVING GRANULAR MATERIAL FROM ONE LOCATION TO ANOTHER, COMPRISING A PICK-UP NOZZLE ADAPTED TO RECEIVE SAID GRANULAR MATERIAL IN A GASEOUS SUCTION CURRENT SAID NOZZLE HAVING A MAIN TUBE WITH A PICKUP OPENING AND A SECONDARY TUBE CONNECTED WITH SAID MAIN TUBE ADJACENT SAID PICKUP OPENING; A SOURCE OF WATER CONNECTED TO SAID SECONDARY TUBE; A CONDUIT CONNECTED TO THE MAIN TUBE OF SAID NOZZLE FOR CONVEYING THERETHROUGH SAID MATERIAL; SUCTIONS MEANS CONNECTED TO SAID CONDUIT TO INDUCE THE FLOW OF A GASEOUS CURRENT THERETHROUGH UNDER RELATIVELY LOW PRESSURE CONDITIONS; A SEPARATION CYCLONE CONNECTED TO SAID CONDUIT; AND VALVE MEANS FOR PASSING THE SEPARATED MATERIAL OUT TO THE ATMOSPHERE WITHOUT SERIOUSLY AFFECTING SAID SUCTION CURRENT.
Claim 2
Independent Claim
118 words
AN APPARATUS FOR MOVING GRANULAR MATERIAL FROM ONE LOCATION TO ANOTHER, COMPRISING A PICK-UP NOZZLE ADAPTED TO RECEIVE SAID GRANULAR MATERIAL IN A GASEOUS SUCTION CURRENT SAID NOZZLE HAVING A MAIN TUBE WITH A PICKUP OPENING AND A SECONDARY TUBE CONNECTED WITH SAID MAIN TUBE ADJACENT SAID PICKUP OPENING; A SOURCE OF WATER CONNECTED TO SAID SECONDARY TUBE; A CONDUIT CONNECTED TO THE MAIN TUBE OF SAID NOZZLE FOR CONVEYING THERETHROUGH SAID MATERIAL; SUCTIONS MEANS CONNECTED TO SAID CONDUIT TO INDUCE THE FLOW OF A GASEOUS CURRENT THERETHROUGH UNDER RELATIVELY LOW PRESSURE CONDITIONS; A SEPARATION CYCLONE CONNECTED TO SAID CONDUIT; AND VALVE MEANS FOR PASSING THE SEPARATED MATERIAL OUT TO THE ATMOSPHERE WITHOUT SERIOUSLY AFFECTING SAID SUCTION CURRENT.
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |