Patent US2811844A successfully refreshed from Google Patents.
US2811844A
Expired / Lapsed
US
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Sweet corn butter device
Assignee: Individual
•
Filing: 1953-11-30
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Granted: 1957-11-05
•
Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Selmer Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:06
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/30; A47G19/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US92703A
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US343809A
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US515277A
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US1317667A
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US1727465A
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US853796A
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US1213655A
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US1893889A
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US2527149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |