Patent US3361537A successfully refreshed from Google Patents.
US3361537A
Expired / Lapsed
US
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Polymer finishing apparatus
Assignee: EIDP Inc
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Filing: 1965-05-12
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Granted: 1968-01-02
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Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 Ferrante Nick Angelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:06
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/114; B01J; B01J19/00; B01J19/18; B01J19/20; B01J19/28; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00094; B01J2219/00182; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A POLYMER FINISHING APPARATUS COMPRISING: AN UPRIGHT TUBULAR VESSEL HAVING AN OUTLET ADJACENT THE BOTTOM THEREOF; A TRANSFER SCREW HAIVNG A DRIVE SHAFT EXTENDING THROUGH SAID BOTTOM; A SPIRAL RIBBON FLIGHT EXTENDING UPWARDLY FROM SAID SCREW; AND AN OPEN CAGE STRUCTURE ATTACHED FROM SAID SCREW; AND AN OPEN CAGE STRUCTURE ATTACHED TO AND SUPPORTED BY THE FLIGHT, SAID STRUCTURE INCLUDING A PAIR OF HORIZONTALLY DISPOSED, SPACED ANNULI PERIPHERALLY PROXIMAL TO SAID VESSEL AND A PLURALITY OF RADIALLY SPACED, STREAMLINED STRUTS INTERCONNECTING SAID ANNULI.
Claim 2
Dependent Claim
83 words
A POLYMER FINISHING APPARATUS COMPRISING: AN UPRIGHT TUBULAR VESSEL HAVING AN OUTLET ADJACENT THE BOTTOM THEREOF; A TRANSFER SCREW HAIVNG A DRIVE SHAFT EXTENDING THROUGH SAID BOTTOM; A SPIRAL RIBBON FLIGHT EXTENDING UPWARDLY FROM SAID SCREW; AND AN OPEN CAGE STRUCTURE ATTACHED FROM SAID SCREW; AND AN OPEN CAGE STRUCTURE ATTACHED TO AND SUPPORTED BY THE FLIGHT, SAID STRUCTURE INCLUDING A PAIR OF HORIZONTALLY DISPOSED, SPACED ANNULI PERIPHERALLY PROXIMAL TO SAID VESSEL AND A PLURALITY OF RADIALLY SPACED, STREAMLINED STRUTS INTERCONNECTING SAID ANNULI.
References Cited (Backward Citations)
US3113843A
Cited
US3183553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |