Patent US3389999A successfully refreshed from Google Patents.
US3389999A
Expired / Lapsed
US
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Methods for achieving the chemical preservation of beer and resultant beer compositions
Assignee: F AND M SCHAEFER BREWING CO
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Filing: 1964-10-06
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Granted: 1968-06-25
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Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Frede B Strandskov
- 👤 John B Bockelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:19
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/12; C12H1/14; A; A01; A01N; A01N37/00; A01N37/36; A01N37/38; A01N37/40
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |