Patent US2765490A successfully refreshed from Google Patents.
US2765490A
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Machines for working (including mixing, plastifying and pre-heating) rubber and like plastics and compositions having a base thereof
Assignee: Pirelli and C SpA
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Filing: 1951-09-05
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Granted: 1956-10-09
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Expires: 1971-09-05
Abstract
No abstract record available.
Inventors
- 👤 Vittorio Zona
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:11
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; 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
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References Cited (Backward Citations)
US1904884A
Cited
DE649187C
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US2620752A
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US2407503A
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US2319859A
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US2511203A
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US2639464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |