Patent US2709281A successfully refreshed from Google Patents.
US2709281A
Expired / Lapsed
US
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Fiber aerating, blooming and cleaning machine
Assignee: Hercules Manufacturing Co Inc
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Filing: 1951-01-15
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Granted: 1955-05-31
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Expires: 1971-01-15
Abstract
No abstract record available.
Inventors
- 👤 Edward G Sofio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:41
CPC Classifications
D; D01; D01G; D01G9/00; D01G9/08; D01G9/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A MACHINE FOR OPENING AND CLEANING FIBROUS MATERIAL COMPRISING A HOUSING HAVING AN INLET AT ONE END AND AN OUTLET AT THE OTHER END, A PLURALITY OF PARALLEL BEATER SHAFTS, BLADES ON SAID SHAFTS, THE BLADES ON ONE SHAFT INTERSECTING THE AREA OF ROTATION OF THE BLADES ON THE OTHER SHAFT, MEANS FOR ROTATING SAID SHAFTS, AND ROTARY BAFFLES PLACED AT INTERVALS ON EACH SHAFT TO TURN AND DIVERT THE FLOW OF MATERIAL TRANSVERSELY OF SAID SHAFTS, SAID ROTARY BAFFLES ON ONE SHAFT BEING IN A SERIOUS LONGITUDINALLY DISPLACED FROM THE ROTARY BAFFLES ON THE OTHER SHAFT IN ORDER TO ALTERNATELY FORCE THE MATERIAL FROM THE ARC OF ROTATION OF ONE SHAFT TO THE ARC OF ROTATION OF THE OTHER AS THE MATERIAL PROGRESSES LONGITUDINALLY OF THE HOUSING FROM THE INLET TO THE OUTLET.
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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) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |