US3413684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion machine with variable discharge
Assignee: Individual
•
Filing: 1966-09-08
•
Granted: 1968-12-03
•
Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Prandi Franco
- 👤 Prandi Gianpiero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/24; B30B11/245; B28; B28B; B28B3/00; B28B3/20; B28B3/26; B29; B29C; B29C48/00; B29C48/16; B29C48/17; B29C48/25; B29C48/252; B29C48/36; B29C48/49; B29C48/03; B29C48/285
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1546155A
Cited
US1933528A
Cited
US2466934A
Cited
US2807833A
Cited
US2942294A
Cited
US3068521A
Cited
US3121255A
Cited
US3213808A
Cited
US3325864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |