US3295161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Equipment for producing synthetic polymer fibers
Assignee: Mott Corp
•
Filing: 1965-03-12
•
Granted: 1967-01-03
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lambert H Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:57
CPC Classifications
D; D01; D01D; D01D4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
AN EXTRUSION HEAD FOR PRODUCING SYNTHETIC FIBERS COMPRISING A CUP-SHAPED HOLDER HAVING A MOUTH DEFINING AN INELT AND HAVING A SIDE WALL AND A FLOOR, SAID FLOOR HAVING A PLURALITY OF PASSAGEWAYS THERETHROUGH, A RIGID DISC OF POROUS MATERIAL POSITIONED IN SAID HOLDER IN JUXTAPOSITION TO SAID FLOOR, SAID DISC HAVING A BEVELED OUTER EDGE, AND AN ANNULAR SEALING MEMBER SUBSTANTIALLY U-SHAPED IN CROSS SECTION POSITIONED IN SAID HOLDER BETWEEN THE WALL THEREOF AND THE SIDE WALL OF SAID DISC, THE CONCAVITY OF SAID SEALING MEMBER BEING DIRECTED TOWARD SAID INLET, THE INNER WALL OF SAID U-SHAPED SEALING MEMBER HAVING AN INWARDLY EXTENDING ANNULAR LIP ADAPTED TO SEAT ON SAID BEVELED EDGE.
Claim 2
Dependent Claim
112 words
AN EXTRUSION HEAD FOR PRODUCING SYNTHETIC FIBERS COMPRISING A CUP-SHAPED HOLDER HAVING A MOUTH DEFINING AN INELT AND HAVING A SIDE WALL AND A FLOOR, SAID FLOOR HAVING A PLURALITY OF PASSAGEWAYS THERETHROUGH, A RIGID DISC OF POROUS MATERIAL POSITIONED IN SAID HOLDER IN JUXTAPOSITION TO SAID FLOOR, SAID DISC HAVING A BEVELED OUTER EDGE, AND AN ANNULAR SEALING MEMBER SUBSTANTIALLY U-SHAPED IN CROSS SECTION POSITIONED IN SAID HOLDER BETWEEN THE WALL THEREOF AND THE SIDE WALL OF SAID DISC, THE CONCAVITY OF SAID SEALING MEMBER BEING DIRECTED TOWARD SAID INLET, THE INNER WALL OF SAID U-SHAPED SEALING MEMBER HAVING AN INWARDLY EXTENDING ANNULAR LIP ADAPTED TO SEAT ON SAID BEVELED EDGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |