Patent US2730742A successfully refreshed from Google Patents.
US2730742A
Expired / Lapsed
US
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Combined mop and wringer
Assignee: Rubbermaid Cleaning Products Inc
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Filing: 1952-06-13
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Granted: 1956-01-17
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Expires: 1972-06-13
Abstract
No abstract record available.
Inventors
- 👤 Zottola Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:41
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE509960A
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US603999A
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CA466474A
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CA477171A
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DE596139C
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DE617197C
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US2251384A
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FR1007952A
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US2646587A
Cited
US2643407A
Cited
DE216565C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |