Patent US3008404A successfully refreshed from Google Patents.
US3008404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for frying doughnuts and the like
Assignee: Individual
•
Filing: 1956-12-28
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Granted: 1961-11-14
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 Irving J Winterfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:24
CPC Classifications
A; A21; A21B; A21B5/00; A21B5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1401945A
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US1440663A
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US1598435A
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US1992891A
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US2207316A
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US2360727A
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US2470446A
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US2652767A
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US2715869A
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US2726597A
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US2767095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |