Patent US3061280A successfully refreshed from Google Patents.
US3061280A
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US
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Apparatus for mixing fluent material
Assignee: KRAFT SCIENT CORP
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Filing: 1959-04-06
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Granted: 1962-10-30
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 Jack A Kraft
- 👤 Harold D Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:30
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/20; B01F31/22; B01F35/00; B01F35/40; B01F35/42; B01F35/422; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544; Y10T74/18552
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |