US2489158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust mop having clamping channels for holding mop cloth tufts of varied lengths
Assignee: Individual
•
Filing: 1946-02-26
•
Granted: 1949-11-22
•
Expires: 1966-02-26
Abstract
No abstract record available.
Inventors
- 👤 Dwain L Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:38
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US151404A
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US335005A
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US1310910A
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US1535946A
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US1576203A
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US1701686A
Cited
US1792589A
Cited
US1806402A
Cited
US2196365A
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US2295914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |