Patent US2485854A successfully refreshed from Google Patents.
US2485854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer for plastic materials
Assignee: Pirelli and C SpA
•
Filing: 1948-04-10
•
Granted: 1949-10-25
•
Expires: 1968-04-10
Abstract
No abstract record available.
Inventors
- 👤 Vittorio Zona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:59
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/428; B29B7/429; B29B7/421; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/36; B29C48/395; B29C48/50; B29C48/505; B29C48/62; B29C48/63; B29C48/635; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G21/055; B60G21/0551; B60G7/00; B60G7/001; B60G7/003; G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155; B60G2200/00; B60G2200/30; B60G2200/314; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/122; B60G2204/1224; B60G2204/40; B60G2204/41; B60G2204/43; B60G2204/44; B60G2204/4402; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/11; B60G2206/111; B60G2206/1114
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) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |