US2588088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing and screening machine
Assignee: Individual
•
Filing: 1946-08-20
•
Granted: 1952-03-04
•
Expires: 1966-08-20
Abstract
No abstract record available.
Inventors
- 👤 Cover Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:03
CPC Classifications
A; A23; A23N; A23N12/00; A23N12/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1673133A
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US1847309A
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US1711548A
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US1829348A
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US2020013A
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US2223455A
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US2288883A
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US2261771A
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US2329333A
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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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |