Patent US2667566A successfully refreshed from Google Patents.
US2667566A
Expired / Lapsed
US
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Lower bowl construction for vacuum type coffee makers and switch therefor
Assignee: Knapp Monarch Co
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Filing: 1953-03-09
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Granted: 1954-01-26
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Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Huck
- 👤 Charles D Visos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:57
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/04; A47J31/043; A47J31/047
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) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |