US3354023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oriented polymers
Assignee: EIDP Inc
•
Filing: 1963-04-22
•
Granted: 1967-11-21
•
Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Dunnington Gordon Beale
- 👤 Fields Reuben Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:02
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/18; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A SHAPED ARTICLE FORMED OF A CRYSTALLINE, SYNTHETIC, THERMOPLASTIC RESIN, SAID ARTICLE BEING AT LEAST 10 MILS THICK, AT LEAST ONE-QUARTER INCH WIDE, AND OF UNIFORM CROSSSECTION, IN WHICH THE RESIN HAS AN AXIAL ORIENTATION IN THE LONGITUDINAL DIRECTION OF SAID ARTICLE AND THE TENSILE MODULUS ALONG THE LONGITUDINAL AXIS OF SAID ARTICLE IS AT LEAST 1.75 TIMES THE TENSILE MODULUS OF THE SAME RESIN IN THE UNORIENTED CONDITION AND WHICH ARTICLE HAS A TENSILE STRENGTH IN THE LONGITUDINAL DIRECTION OF ABOVE 40,000 P.S.I. AND IN WHICH SHAPE THE HALF MAXIMUM TILTING OF THE POLYMER CHAINS FROM THE LONGITUDINAL DIRECTION TOWARD THE THICKNESS DIRECTION IS LESS THAN 23 DEGREES.
Claim 2
Dependent Claim
109 words
A SHAPED ARTICLE FORMED OF A CRYSTALLINE, SYNTHETIC, THERMOPLASTIC RESIN, SAID ARTICLE BEING AT LEAST 10 MILS THICK, AT LEAST ONE-QUARTER INCH WIDE, AND OF UNIFORM CROSSSECTION, IN WHICH THE RESIN HAS AN AXIAL ORIENTATION IN THE LONGITUDINAL DIRECTION OF SAID ARTICLE AND THE TENSILE MODULUS ALONG THE LONGITUDINAL AXIS OF SAID ARTICLE IS AT LEAST 1.75 TIMES THE TENSILE MODULUS OF THE SAME RESIN IN THE UNORIENTED CONDITION AND WHICH ARTICLE HAS A TENSILE STRENGTH IN THE LONGITUDINAL DIRECTION OF ABOVE 40,000 P.S.I. AND IN WHICH SHAPE THE HALF MAXIMUM TILTING OF THE POLYMER CHAINS FROM THE LONGITUDINAL DIRECTION TOWARD THE THICKNESS DIRECTION IS LESS THAN 23 DEGREES.
References Cited (Backward Citations)
FR833492A
Cited
US2445726A
Cited
US2514195A
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US2723705A
Cited
US2984593A
Cited
US3086275A
Cited
US3117597A
Cited
US3066366A
Cited
US3189052A
Cited
US3223764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |