Patent US3225685A successfully refreshed from Google Patents.
US3225685A
Expired / Lapsed
US
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Method and apparatus for wafering fibrous organic material
Assignee: FMC Corp
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Filing: 1963-07-19
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Granted: 1965-12-28
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Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 William N King
- 👤 Arthur L Mcgee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:35
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/24; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
MATERIAL EXTRUDING AND COMPACTING APPARATUS COMPRISING A ROTATABLE SCREW OF UNIFORM DIAMETER AND FIGHT DEPTH, A FIXED CYLINDRICAL CASING SURROUNDING AN INTERMEDIATE PORTION OF SAID SCREW, A ROTATABLE CYLINDRICAL CASING FORMING A PROLONGATION OF SAID FIXED CASING AND SURROUNDING THE DELIVERY PORTION OF SAID SCREW, MEANS FOR ROTATING SAID SCREW IN ONE DIRECTION, AND MEANS FOR ROTATING SAID ROTATABLE CASING IN THE SAME DIRECTION BUT AT A SLOWER SPEED, AND MEANS FOR ADJUSTING THE ROTATIONAL SPEED OF SAID ROTATABLE CASING RELATIVE TO THAT OF SAID SCREW.
References Cited (Backward Citations)
US2280620A
Cited
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US3102694A
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US2857624A
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US3044391A
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US3084620A
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |