US2663897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing heads from bodies of shrimps
Assignee: Individual
•
Filing: 1950-04-27
•
Granted: 1953-12-29
•
Expires: 1970-04-27
Abstract
No abstract record available.
Inventors
- 👤 Charles A Greiner
- 👤 Elbert F Greiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:23
CPC Classifications
A; A22; A22C; A22C29/00; A22C29/02; A22C29/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1367546A
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US1615081A
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GB270448A
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US1867955A
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US1835242A
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US2147633A
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US2169905A
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US2262872A
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US2263694A
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US2412357A
Cited
US2546414A
Cited
US2534767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |