US3555616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extruding thermoplastic materials
Assignee: Goodrich Corp
•
Filing: 1967-08-07
•
Granted: 1971-01-19
•
Expires: 1987-08-07
Abstract
Abstract AN EXTRUDER HAVING CONTROLLED DRIVE MEANS FOR THE FEEDING MATERIAL TO BE WORKED TO A TORPEDO WHICH TORPEDO IS INDEPENDENTLY CONTROLLED IN ITS SPEED TO PROVIDE CONTROLLED WORKING OF THE MATERIAL TO BE EXTRUDED. PROVISION IS MADE FOR CONTROLLING THE TEMPERATURE OF THE EXTRUDER AND TORPEDO.
Inventors
- 👤 Clarence E Parks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:31
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/78; B29C48/80; B29C48/83; B29C48/834; B29C48/36; B29C48/375; B29C48/38; B29C48/03; B29C48/04; B29C48/07; B29C48/08; B29C48/09
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |