Patent US3445245A successfully refreshed from Google Patents.
US3445245A
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Process for acetic acid fermentation
Assignee: Heinrich Frings GmbH and Co KG
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Filing: 1966-11-21
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Granted: 1969-05-20
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Ebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:00
CPC Classifications
C; C12; C12J; C12J1/00; C12J1/10; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/233; B01F23/2331; B01F23/2334; B01F23/23342; B01F23/2335; B01F23/23352; B01J; B01J4/00; B01J4/001; C12M; C12M27/00; C12M27/02; C12M27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |