Patent US3302239A successfully refreshed from Google Patents.
US3302239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die
Assignee: EIDP Inc
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Filing: 1963-05-24
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Granted: 1967-02-07
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Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Senecal Vance Evan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
B; B05; B05C; B05C5/00; B05C5/02; B05C5/0254; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/305; B29C48/307; B29C48/31; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92019; B29C2948/92314; B29C2948/92323; B29C2948/92361; B29C2948/92409; B29C2948/92504; B29C2948/92514; B29C2948/9258; B29C2948/926; B29C2948/92704; B29C2948/92809; B29C2948/92819; B29C2948/92857; B29C2948/92904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AN EXTRUSION DIE FOR CONTROLLING THE FLOW OF FLUID ALONG DIVERGING PATHS FROM AN INLET TO AN THROUGH A NARROW SLOT OUTLET COMPRISING: (A) A BODY MEMBER HAVING AT LEAST ONE INLET AND AN OUTLET TERMINATING IN A SIDE SURFACE OF THE BODY MEMBER, A PORTION OF SAID SURFACE DEFINING ONE SURFACE OF THE SLOT OUTET. (B) A FLUID CONTROL PLATE ON A SIDE SURFACE, THE INNER SURFACE OF WHICH PLATE HAS A SERIES OF INTERCONNECTED DEPRESSED CHAMBER AREAS FORMING WITH SAID SIDE SURFACE (1) A CENTRALLY DISPOSED INLET AREA, (2) AN NOBSTRUCTED TRANSVERSE SUPPLY CHAMBER, (3) A TRANSVERSE UNOBSTRUCTRED REAR PASSAGE, AND (4) AN UNOBSTRUCTED SECOND TRANSVERSE CROSS-FLOW CHAMBER THAT PROVIDES ANOTHER FLOW CONTROL PASSAGE ADJACENT THE SLOT OUTLET AND COMMUNICATES WITH SAID SLOT OUTLET, THE LENGTH OF THE TRANSVERSE REAR RESTRICTED PASSAGE IN THE DIRECTION OF FLUID FLOW FROM SAID CENTRALLY DISPOSED INLET AREA TO THE SLOT OUTLET BEING VARIED ALONG DIVERGING PATHS
Claim 2
Dependent Claim
155 words
AN EXTRUSION DIE FOR CONTROLLING THE FLOW OF FLUID ALONG DIVERGING PATHS FROM AN INLET TO AN THROUGH A NARROW SLOT OUTLET COMPRISING: (A) A BODY MEMBER HAVING AT LEAST ONE INLET AND AN OUTLET TERMINATING IN A SIDE SURFACE OF THE BODY MEMBER, A PORTION OF SAID SURFACE DEFINING ONE SURFACE OF THE SLOT OUTET. (B) A FLUID CONTROL PLATE ON A SIDE SURFACE, THE INNER SURFACE OF WHICH PLATE HAS A SERIES OF INTERCONNECTED DEPRESSED CHAMBER AREAS FORMING WITH SAID SIDE SURFACE (1) A CENTRALLY DISPOSED INLET AREA, (2) AN NOBSTRUCTED TRANSVERSE SUPPLY CHAMBER, (3) A TRANSVERSE UNOBSTRUCTRED REAR PASSAGE, AND (4) AN UNOBSTRUCTED SECOND TRANSVERSE CROSS-FLOW CHAMBER THAT PROVIDES ANOTHER FLOW CONTROL PASSAGE ADJACENT THE SLOT OUTLET AND COMMUNICATES WITH SAID SLOT OUTLET, THE LENGTH OF THE TRANSVERSE REAR RESTRICTED PASSAGE IN THE DIRECTION OF FLUID FLOW FROM SAID CENTRALLY DISPOSED INLET AREA TO THE SLOT OUTLET BEING VARIED ALONG DIVERGING PATHS
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |