Patent US2641787A successfully refreshed from Google Patents.
US2641787A
Expired / Lapsed
US
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Mop having sectional head with contrasting cleaning material
Assignee: Individual
•
Filing: 1947-06-13
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Granted: 1953-06-16
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Expires: 1967-06-13
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Vosbikian
- 👤 Vosbikian Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:47
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US548622A
Cited
US603999A
Cited
US1171768A
Cited
US1928110A
Cited
US2044075A
Cited
FR807925A
Cited
US2251384A
Cited
US2204806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |