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Patent US2573556A successfully refreshed from Google Patents.
US2573556A
Expired / Lapsed
US
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Mobile vacuum stripper for carding machines
Assignee: Individual
•
Filing: 1948-05-20
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Granted: 1951-10-30
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Expires: 1968-05-20
Abstract
No abstract record available.
Inventors
- 👤 Mitchell S Fain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:47
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/76; D01G15/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US290490A
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US1065179A
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US827536A
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US951624A
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US975396A
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US1622246A
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US1771852A
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US1635834A
Cited
US1996604A
Cited
US2025946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |