US2731658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor mop having a detachable cleaning element
Assignee: Individual
•
Filing: 1950-08-31
•
Granted: 1956-01-24
•
Expires: 1970-08-31
Abstract
No abstract record available.
Inventors
- 👤 Walter F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:30
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/257; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1761180A
Cited
GB332171A
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US2163638A
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US2165319A
Cited
US2197927A
Cited
US2358673A
Cited
US2300684A
Cited
US2515403A
Cited
US2667653A
Cited
US2572978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |