Patent US2643407A successfully refreshed from Google Patents.
US2643407A
Expired / Lapsed
US
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Mop and extractor therefor
Assignee: Individual
•
Filing: 1950-07-07
•
Granted: 1953-06-30
•
Expires: 1970-07-07
Abstract
No abstract record available.
Inventors
- 👤 Peter S Vosbikian
- 👤 Thomas S Vosbikian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:30
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)
US1086660A
Cited
DE617197C
Cited
US2108727A
Cited
US2044075A
Cited
US2194150A
Cited
US2251384A
Cited
US2204806A
Cited
US2196935A
Cited
US2469060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |