Patent US3208829A successfully refreshed from Google Patents.
US3208829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the segmentation of polymer solutions
Assignee: Wyeth Holdings LLC
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Filing: 1960-09-28
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Granted: 1965-09-28
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Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Terenzi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:47
CPC Classifications
B; B29; B29B; B29B9/00; Y; Y10; Y10S; Y10S159/00; Y10S159/10; Y10S159/17; Y10S524/00; Y10S524/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
AN EXTRUSION SYSTEM COMPRISING A LIQUID CONDUIT MEANS FOR CONVEYING LIQUID, AN EXTRUSION MEANS EXTENDING PERPENDICULARLY INTO SAID LIQUID CONDUIT AND THE PATH OF SAID LIQUID AND A RESTRICTION ADJUSTING MEANS FOR ADJUSTING THE VELOXITY OF SAID LIQUID, WHEREIN THE EXTRUSION MEANS COMPRISES AN ELONGATED CONDUIT HAVING TWO PARALLEL PLANAR SURFACES LONGITUDINALLY EXTENDING A SUBSTANTIAL DISTANCE ALONG THE TERMINAL END THEREOF AND PARALLEL TO THE AXIS
Claim 2
Dependent Claim
66 words
AN EXTRUSION SYSTEM COMPRISING A LIQUID CONDUIT MEANS FOR CONVEYING LIQUID, AN EXTRUSION MEANS EXTENDING PERPENDICULARLY INTO SAID LIQUID CONDUIT AND THE PATH OF SAID LIQUID AND A RESTRICTION ADJUSTING MEANS FOR ADJUSTING THE VELOXITY OF SAID LIQUID, WHEREIN THE EXTRUSION MEANS COMPRISES AN ELONGATED CONDUIT HAVING TWO PARALLEL PLANAR SURFACES LONGITUDINALLY EXTENDING A SUBSTANTIAL DISTANCE ALONG THE TERMINAL END THEREOF AND PARALLEL TO THE AXIS
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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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |