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Patent US2068779A successfully refreshed from Google Patents.
US2068779A
Expired / Lapsed
US
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Cooling roll refiner or like mill
Assignee: Baker Perkins Inc
•
Filing: 1934-10-25
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Granted: 1937-01-26
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Expires: 1954-10-25
Abstract
No abstract record available.
Inventors
- 👤 Tunley Allan Ashmead
- 👤 Baker George Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:06
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/44; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/156; Y10S165/159
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) | 1940-01-26 | 1940-07-27 | 1941-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-01-26 | 1944-07-27 | 1945-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-01-26 | 1948-07-27 | 1949-01-26 | $7700.00 | Window Closed / Lapsed |