US2802238A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screw press for working plastics
Assignee: LAVORAZIONE MAT PLASTICHE Sas
•
Filing: 1954-11-10
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Granted: 1957-08-13
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Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 Colombo Roberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:55
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/22; A; A22; A22C; A22C11/00; A22C11/02; A22C11/08; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/46; B29B7/48; B29B7/485; B29B7/488; B29B7/489; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/36; B29C48/395; B29C48/40; B29C48/405; B29C48/41; B29C48/425; B29C48/435; B29C48/50; B29C48/505; B29C48/64; B30; B30B; B30B11/00; B30B11/22; B30B11/24; B30B11/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1990555A
Cited
US2119162A
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US2563396A
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US2550226A
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US2632203A
Cited
DE815103C
Cited
FR1030069A
Cited
US2676355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |