US2230146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Myers-Sherman Co
•
Filing: 1938-06-25
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Granted: 1941-01-28
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Expires: 1958-06-25
Abstract
No abstract record available.
Inventors
- 👤 Elias G Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
B; B01; B01F; B01F35/00; B01F35/71; B01F35/717; B01F35/7179; B01F33/00; B01F33/80; B01F33/83; B01F33/831; B01F35/712; B01F35/71805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |