US2537836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for deveining shrimps
Assignee: MARY EILEEN FELDKAMP
•
Filing: 1949-04-11
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Granted: 1951-01-09
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Expires: 1969-04-11
Abstract
No abstract record available.
Inventors
- 👤 Feldkamp Mary Eileen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:07
CPC Classifications
A; A22; A22C; A22C29/00; A22C29/02; A22C29/024; A22C29/021; A22C29/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677579A
Cited
US2335806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |