US3078504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for biaxial stretching of beaded edge film
Assignee: Akzo Nobel UK PLC
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Filing: 1960-03-16
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Granted: 1963-02-26
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Expires: 1980-03-16
Abstract
No abstract record available.
Inventors
- 👤 Koppehele Hugo Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:19
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/16; B29C55/165; B29C48/00; B29C48/03; B29C48/12; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
APPARATUS FOR BIAXIALLY ORIENTING A THERMOPLASTIC FILM HAVING A WEB AND BEADED LONGITUDINAL EDGES INCLUDING MEANS FOR ADVANCING THE FILM LONGITUDINALLY AT A SUB-
Claim 2
Dependent Claim
24 words
APPARATUS FOR BIAXIALLY ORIENTING A THERMOPLASTIC FILM HAVING A WEB AND BEADED LONGITUDINAL EDGES INCLUDING MEANS FOR ADVANCING THE FILM LONGITUDINALLY AT A SUB-
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US2373215A
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US2618012A
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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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |