Patent US3254729A successfully refreshed from Google Patents.
US3254729A
Expired / Lapsed
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Automatic material unloading system
Assignee: Behlen Manufacturing Co Inc
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Filing: 1963-09-11
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Granted: 1966-06-07
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert P Behlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:58
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0275; A01K5/0283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN AN AUTOMATIC MATERIAL UNLOADING SYSTEM, COMPRISING IN COMBINATION, MATERIAL CONVEYOR MEANS HAVING INLET AND OUTLET MEANS; POWER MEANS FOR DRIVING SAID CONVEYOR MEANS; HOPPER MEANS; A CONDUIT CONNECTING THE OUTLET OF SAID CONVEYOR MEANS WITH THE HOPPER MEANS; VALVE MEANS FOR OPENING AND CLOSING SAID CONDUIT TO THE PASSAGE OF MATERIAL TO SAID HOPPER; MEANS FOR INDICATING WHEN SAID HOPPER HAS RECEIVED A PREDETERMINED AMOUNT OF MATERIAL; AND MEANS OPERATIVELY CONNECTED TO SAID LAST MENTIONED MEANS FOR DUMPING SAID HOPPER MEANS UPON ITS RE-
Claim 2
Dependent Claim
85 words
IN AN AUTOMATIC MATERIAL UNLOADING SYSTEM, COMPRISING IN COMBINATION, MATERIAL CONVEYOR MEANS HAVING INLET AND OUTLET MEANS; POWER MEANS FOR DRIVING SAID CONVEYOR MEANS; HOPPER MEANS; A CONDUIT CONNECTING THE OUTLET OF SAID CONVEYOR MEANS WITH THE HOPPER MEANS; VALVE MEANS FOR OPENING AND CLOSING SAID CONDUIT TO THE PASSAGE OF MATERIAL TO SAID HOPPER; MEANS FOR INDICATING WHEN SAID HOPPER HAS RECEIVED A PREDETERMINED AMOUNT OF MATERIAL; AND MEANS OPERATIVELY CONNECTED TO SAID LAST MENTIONED MEANS FOR DUMPING SAID HOPPER MEANS UPON ITS RE-
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |