US3523147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastication of thermoplastic materials
Assignee: Farrel Corp
•
Filing: 1967-09-28
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Granted: 1970-08-04
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Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Peter Hold
- 👤 Dominic A D Amato
- 👤 Dario J Ramazzotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:29
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/022; B29C; B29C45/00; B29C45/17; B29C45/72; B29C48/00; B29C48/14; B29C48/25; B29C48/36; B29C48/375; B29C48/388; B29C48/475; B29C48/03
Claims Analysis
Total Claims: 0
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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) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |