US3499064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing biaxially oriented thermoplastic tubular films
Assignee: Kohjin Holdings Co Ltd
•
Filing: 1968-02-16
•
Granted: 1970-03-03
•
Expires: 1988-02-16
Abstract
No abstract record available.
Inventors
- 👤 Kazuhiko Tsuboshima
- 👤 Tomiyuki Matsugu
- 👤 Teruchika Kanoh
- 👤 Kunio Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:22
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/28; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/88; B29C48/885; B29C48/91; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92019; B29C2948/92085; B29C2948/92114; B29C2948/92123; B29C2948/92314; B29C2948/92504; B29C2948/92609; B29C2948/92619; B29C2948/92647; B29C2948/92819; B29C2948/92923; B29C48/911; B29C48/9115; B29C48/912
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |