Patent US2562574A successfully refreshed from Google Patents.
US2562574A
Expired / Lapsed
US
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Device for storing and feeding elongated flexible pipe-cleaning members
Assignee: Individual
•
Filing: 1947-02-07
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Granted: 1951-07-31
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Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Richard A Poekert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:55
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002; E03F9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2183618A
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US1648048A
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US2037103A
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US2272387A
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US2282600A
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US2259899A
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US2299785A
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US2247004A
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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) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |