Patent US2601320A successfully refreshed from Google Patents.
US2601320A
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US
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Mixing apparatus
Assignee: Pipeline Protection Co
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Filing: 1948-10-13
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Granted: 1952-06-24
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Expires: 1968-10-13
Abstract
No abstract record available.
Inventors
- 👤 Marion E Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:59
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/80; B01F27/92; B01F27/921; B01F27/9214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US33659A
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US2413375A
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US2435884A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |