Patent US3235314A successfully refreshed from Google Patents.
US3235314A
Expired / Lapsed
US
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Pneumatic conveyor for easily clogging fibrous agricultural crops
Assignee: FIRM FRANZ HACKER GmbH
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Filing: 1962-11-26
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Granted: 1966-02-15
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Expires: 1982-11-26
Abstract
No abstract record available.
Inventors
- 👤 Hermann Schorer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:33
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/10; B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1675
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A PNEUMATIC CONVEYOR FOR EASILY CLOGGING FIBROUS CROPS COMPRISING A DRIVE MOTOR, A RADIAL BLOWER HAVING A BLOWER HOUSING, AN IMPELLER AND AN IMPELLER SHAFT, SAID DRIVE MOTOR BEING CONNECTED TO SAID RADIAL BLOWER AND ADAPTED TO DRIVE SAID BLOWER, A SUCTION PIPE AND A PRESSURE PIPE, SAID SUCTION PIPE AND SAID PRESSURE PIPE BEING CONNECTED TO SAID BLOWER HOUSING, THE MAIN AXIS OF SAID SUCTION PIPE EXTENDING IN ONE SUBSTANTIALLY STRAIGHT LINE IN A SUBSTANTIALLY VERTICAL DIRECTION FROM SAID BLOWER HOUSING DOWNWARDS TO SAID CROPS, SAID IMPELLER SHAFT EXTENDING SUBSTANTIALLY VERTICALLY IN SAID BLOWER HOUSING IN SUBSTANTIALLY PARALLEL RELATION OF SAID MAIN AXIS, MEANS TO ADJUST THE LENGTH OF SAID SUCTION PIPE TO THE LEVEL OF SAID CROPS AND MEANS FOR SUPPORTING SAID BLOWER ABOVE SAID CROPS AT A DISTANCE CORRESPONDING SUBSTANTIALLY TO THE LENGTH OF SAID SUCTION PIPE.
Claim 2
Dependent Claim
140 words
A PNEUMATIC CONVEYOR FOR EASILY CLOGGING FIBROUS CROPS COMPRISING A DRIVE MOTOR, A RADIAL BLOWER HAVING A BLOWER HOUSING, AN IMPELLER AND AN IMPELLER SHAFT, SAID DRIVE MOTOR BEING CONNECTED TO SAID RADIAL BLOWER AND ADAPTED TO DRIVE SAID BLOWER, A SUCTION PIPE AND A PRESSURE PIPE, SAID SUCTION PIPE AND SAID PRESSURE PIPE BEING CONNECTED TO SAID BLOWER HOUSING, THE MAIN AXIS OF SAID SUCTION PIPE EXTENDING IN ONE SUBSTANTIALLY STRAIGHT LINE IN A SUBSTANTIALLY VERTICAL DIRECTION FROM SAID BLOWER HOUSING DOWNWARDS TO SAID CROPS, SAID IMPELLER SHAFT EXTENDING SUBSTANTIALLY VERTICALLY IN SAID BLOWER HOUSING IN SUBSTANTIALLY PARALLEL RELATION OF SAID MAIN AXIS, MEANS TO ADJUST THE LENGTH OF SAID SUCTION PIPE TO THE LEVEL OF SAID CROPS AND MEANS FOR SUPPORTING SAID BLOWER ABOVE SAID CROPS AT A DISTANCE CORRESPONDING SUBSTANTIALLY TO THE LENGTH OF SAID SUCTION PIPE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |