US2569008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning tool having hooklike elements connected to a flexible rod by fully reversible, freely operable hinge joints and hooklike elements therefor
Assignee: Individual
•
Filing: 1944-10-19
•
Granted: 1951-09-25
•
Expires: 1964-10-19
Abstract
No abstract record available.
Inventors
- 👤 Alphons N Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:02
CPC Classifications
E; E03; E03F; E03F9/00; E03F9/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US272437A
Cited
US302634A
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US834135A
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GB191111228A
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US1051992A
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US1185688A
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US1592357A
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US2115266A
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US2292713A
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US2249254A
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US2341435A
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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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |