Patent US2801083A successfully refreshed from Google Patents.
US2801083A
Expired / Lapsed
US
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Mixing device
Assignee: Individual
•
Filing: 1953-01-07
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Granted: 1957-07-30
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Expires: 1973-01-07
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Balassa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:14
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2331; B01F23/23311; B01F27/00; B01F27/80; B01F27/86; B01F27/862; B01F23/2334; B01F23/23341; B01F23/2335; B01F23/23353; B01F23/2366; B01F23/2368; B01F27/861; B01F27/90; B01F33/00; B01F33/86; B01F33/862; B01F35/00; B01F35/181; B01F35/188; B01F35/75; B01F35/752; B01F35/753; B01F23/23312; B01F23/2336; B01F23/23362; B01F27/05; B01F27/11; B01F27/112; B01F27/1125
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US588663A
Cited
US1345596A
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US1399367A
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DE486215C
Cited
GB338440A
Cited
US2038221A
Cited
US2578805A
Cited
US2460757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |