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US2567923A
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Prehensile pipe-cleaning swab
Assignee: Individual
•
Filing: 1946-10-04
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Granted: 1951-09-18
•
Expires: 1966-10-04
Abstract
No abstract record available.
Inventors
- 👤 Burke Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:40
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590775A
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US780945A
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US849786A
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US1035994A
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US1052871A
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US1175726A
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US1200602A
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US1588737A
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US2189452A
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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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |