Patent US2687877A successfully refreshed from Google Patents.
US2687877A
Expired / Lapsed
US
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Apparatus for mixing and processing
Assignee: ET Oakes Corp
•
Filing: 1951-07-30
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Granted: 1954-08-31
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Expires: 1971-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jensen Thormod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:34
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B01; B01F; B01F27/00; B01F27/27; B01F27/271; B01F27/2711; B01F25/00; B01F2025/91; B01F2025/912; B01F27/05; B01F27/11; B01F27/19; B01F27/191; B01F27/80; B29C48/25; B29C48/36; B29C48/47; Y; Y10; Y10S; Y10S261/00; Y10S261/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |