Patent US1425268A successfully refreshed from Google Patents.
US2601018A
Expired / Lapsed
US
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Blending of viscous liquids
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1950-05-03
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Granted: 1952-06-17
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Expires: 1970-05-03
Abstract
No abstract record available.
Inventors
- 👤 Richard E Heyl
- 👤 Ethbert R Nett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:25
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B01F25/43; B01F25/431; B01F25/4314
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE529512C
Cited
US1012915A
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US1626487A
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FR735033A
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US1969533A
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US2354634A
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US2478998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |