Patent US2665593A successfully refreshed from Google Patents.
US2981075A
Expired / Lapsed
US
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Apparatus for method for manufacturing soft ice cream
Assignee: Individual
•
Filing: 1954-06-17
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Granted: 1961-04-25
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Expires: 1974-06-17
Abstract
No abstract record available.
Inventors
- 👤 Henry C Duke
- 👤 Gene S Duke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:44
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1874718A
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US2054835A
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US2067683A
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US2210366A
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US2211387A
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US2219656A
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US2278340A
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US2560664A
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US2563278A
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US2740262A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |