Patent US2663552A successfully refreshed from Google Patents.
US2663552A
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US
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Power mixer unit
Assignee: DORMEYER Corp
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Filing: 1951-09-22
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Granted: 1953-12-22
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Expires: 1971-09-22
Abstract
No abstract record available.
Inventors
- 👤 Fred C Schwaneke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:06
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/07; A47J43/08; A47J43/082; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |