US2637538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus
Assignee: Mixing Equipment Co Inc
•
Filing: 1950-09-29
•
Granted: 1953-05-05
•
Expires: 1970-09-29
Abstract
No abstract record available.
Inventors
- 👤 Richard D Boutros
- 👤 James V Donohoe
- 👤 Dykman Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:02
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/805; B01F27/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1228823A
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US1291728A
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US1354230A
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US1401475A
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US1431715A
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US1485205A
Cited
US1843315A
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US1838004A
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US2115956A
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US2389498A
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US2481731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |