Patent US4498108A successfully refreshed from Google Patents.
Patent US2563002A successfully refreshed from Google Patents.
US2563002A
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Mixing device
Assignee: Standard Oil Co
•
Filing: 1948-10-06
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Granted: 1951-08-07
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Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 William W Bissell
- 👤 Delmer G Debo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:19
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/312; B01F25/3121; B01F25/3124; B01F25/31242; B01F25/314; B01F25/3141; B01F25/3142; B01F25/31423; B01F25/40; B01F25/42; B01F25/43; B01F25/432; B01F33/00; B01F33/80; B01F33/834; B01F23/00; B01F23/40; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1920886A
Cited
US1890439A
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US1831265A
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US2075867A
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US2093011A
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US2155315A
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US2361150A
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US2307509A
Cited
US2357266A
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US2321879A
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GB585553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |