US2852794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wringer mop
Assignee: Individual
•
Filing: 1955-08-08
•
Granted: 1958-09-23
•
Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 Blum Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:21
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/14; A47L13/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1089475A
Cited
US1174500A
Cited
US1352837A
Cited
US1751349A
Cited
FR943666A
Cited
GB687581A
Cited
US2594392A
Cited
US2651069A
Cited
CH293975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |