US3514468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing oriented crystalline plastics
Assignee: Orica Ltd
•
Filing: 1967-12-04
•
Granted: 1970-05-26
•
Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Martin R Sutcliffe
- 👤 Ian M Cavanagh
- 👤 William D Toulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:46
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/30; B29C57/00; B29L; B29L2031/00; B29L2031/777; B29L2031/7772
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE25313E
Cited
US3341644A
Cited
US3086249A
Cited
US3244781A
Cited
US3189866A
Cited
US3284560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |