US2600932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1948-10-20
•
Granted: 1952-06-17
•
Expires: 1968-10-20
Abstract
No abstract record available.
Inventors
- 👤 Smith Oliver Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:00
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1013; E01C19/104; B; B01; B01F; B01F35/00; B01F35/90; B01F35/93
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US546708A
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US1021781A
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US1218895A
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US1389637A
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US1368284A
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US1560826A
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US1579193A
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US1689551A
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US1810637A
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US1896616A
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US2076780A
Cited
US2367149A
Cited
US2379155A
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 |