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US3550201A
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Vertical mixer,kneader and reactor for plastic materials and the like
Assignee: Baker Perkins Inc
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Filing: 1968-01-22
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Granted: 1970-12-29
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 William D Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:05
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/422; B29B7/423; B01; B01F; B01F31/00; B01F31/40; B01F31/401; B29B7/428; B29B7/429; B29B7/80; B29B7/82; B29B7/826; B29C; B29C48/00; B29C48/25; B29C48/252; B29C48/36; B29C48/395; B29C48/45; B29C48/50; B29C48/501; B29C48/68; B29C48/685; B29C48/687; B29C48/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |