US2447202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mud mixer
Assignee: Individual
•
Filing: 1945-09-14
•
Granted: 1948-08-17
•
Expires: 1965-09-14
Abstract
No abstract record available.
Inventors
- 👤 Nowery James Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:32
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/80; E; E21; E21B; E21B21/00; E21B21/06; E21B21/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US112849A
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US765975A
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US1095719A
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US1105555A
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US1566008A
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US1514118A
Cited
US1649062A
Cited
US2142270A
Cited
US2338174A
Cited
US2359923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |