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US2738533A
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US
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Floor polishing mop means
Assignee: Individual
•
Filing: 1951-12-29
•
Granted: 1956-03-20
•
Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Peterson Esther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:29
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/28; A47L13/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1046230A
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US1130325A
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US1136150A
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US1420180A
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US1660062A
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CH132566A
Cited
GB481824A
Cited
US2227707A
Cited
US2571606A
Cited
US2663890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |