Patent US2780181A successfully refreshed from Google Patents.
US2780181A
Expired / Lapsed
US
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Device for preparing ravioli
Assignee: Individual
•
Filing: 1954-08-26
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Granted: 1957-02-05
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Expires: 1974-08-26
Abstract
No abstract record available.
Inventors
- 👤 Roman John
- 👤 Charles A Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:38
CPC Classifications
A; A21; A21C; A21C9/00; A21C9/06; A21C9/066; A21C9/068; A21C11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR767459A
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US1303083A
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US216300A
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US739357A
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US1236998A
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US1337988A
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US1814485A
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US2001792A
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US2081080A
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US2173760A
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US2377936A
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US2248957A
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US2386993A
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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) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |