Patent US2779054A successfully refreshed from Google Patents.
US2779054A
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Apparatus for homogenizing and kneading plastic masses
Assignee: Wacker Chemie AG
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Filing: 1953-11-23
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Granted: 1957-01-29
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Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Doriat Martin
- 👤 Vogt Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/405; B29B7/407; B01; B01F; B01F27/00; B01F27/27; B01F27/272; B01F27/2722; B01F27/2723
Claims Analysis
Total Claims: 0
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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) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |