US3664780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making oriented webs
Assignee: FMC Corp
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Filing: 1970-08-05
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Granted: 1972-05-23
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Expires: 1990-08-05
Abstract
Abstract APPARATUS FOR MAKING AN UNBROKEN POLYMERIC WEB OR FILM HAVING PROJECTING UNORIENTED SECTIONS SURROUNDS BY A PREDETERMINED PATTERN OF UNIAXIALLY AND BIAXIALLY ORIENTED REGIONS.
Inventors
- 👤 Theodore H Fairbanks
- 👤 Robert F Gillespie
- 👤 Dorsey C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:15
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/02; B29C59/04; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/14; B29C55/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |