US3255065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making a composite film
Assignee: FMC Corp
•
Filing: 1962-07-12
•
Granted: 1966-06-07
•
Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Harold W Wyckoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C55/00; B29C55/02; B29C55/023; B29C65/00; B29C65/02; B29C65/10; B29C65/103; B29C65/48; B29C65/52; B29C65/522; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; B29C70/224; B29D; B29D28/00; B29D28/005; B29C66/02; B29C66/028; B29C66/47; B29C66/472; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF MAKING A COMPOSITE POLYMERIC FILM HAVING MOLECULARLY ORIENTED PORTIONS INCLUDING THE STEPS OF INTEGRALLY ATTACHING TO AN UNBROKEN WEB OF MOLECULARLY ORIENTABLE POLYMERIC MATEIALLY SPACED GROUPS OF STIFFENING RIBS OF LIKE MOLECULARLY ORIENTABLE POLYMERIC MATERIAL, THE RIBS OF EACH GROUP OF RIBS BEING SUBSTANTIALLY PARALLET TO EACH OTHER AND EXTENDING ALONG ONE OF THE LONGITUDINAL AND TRANVERSE DIRECTIONS OF THE UNBROKEN WEB, AND STRETCHING THE WEB AND INTERGRALLY ATTACHED RIBS IN DIRECTIONS EXTENDING LONGITUDINALLY OF AT LEAST CERTAIN OF SAID RIBS TO UNIAXIALLY ORIENT THE SAME.
Claim 2
Independent Claim
89 words
A METHOD OF MAKING A COMPOSITE POLYMERIC FILM HAVING MOLECULARLY ORIENTED PORTIONS INCLUDING THE STEPS OF INTEGRALLY ATTACHING TO AN UNBROKEN WEB OF MOLECULARLY ORIENTABLE POLYMERIC MATEIALLY SPACED GROUPS OF STIFFENING RIBS OF LIKE MOLECULARLY ORIENTABLE POLYMERIC MATERIAL, THE RIBS OF EACH GROUP OF RIBS BEING SUBSTANTIALLY PARALLET TO EACH OTHER AND EXTENDING ALONG ONE OF THE LONGITUDINAL AND TRANVERSE DIRECTIONS OF THE UNBROKEN WEB, AND STRETCHING THE WEB AND INTERGRALLY ATTACHED RIBS IN DIRECTIONS EXTENDING LONGITUDINALLY OF AT LEAST CERTAIN OF SAID RIBS TO UNIAXIALLY ORIENT THE SAME.
References Cited (Backward Citations)
US2429177A
Cited
US2545981A
Cited
US2740742A
Cited
US3012918A
Cited
US2820733A
Cited
US3003903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |