Patent US3447201A successfully refreshed from Google Patents.
US3447201A
Expired / Lapsed
US
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Automatic plastic mixing apparatus
Assignee: Adamson United Co
•
Filing: 1966-12-19
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Granted: 1969-06-03
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Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Rex C Seanor
- 👤 S Everett Perlberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:57
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/22; B29B7/28; B29B7/283; B01; B01F; B01F35/00; B01F35/20; B01F35/21; B01F35/212; B29B7/286; B29B7/80; B29B7/88; B29B7/94; G; G05; G05D; G05D24/00; G05D24/02; H; H02; H02P; H02P29/00; H02P29/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA699683A
Cited
US1879367A
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US2340673A
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US2747224A
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US3212133A
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US3111707A
Cited
US3286302A
Cited
US3259940A
Cited
US3339227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |