US2742659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lever-wringing sponge mop
Assignee: Individual
•
Filing: 1951-11-30
•
Granted: 1956-04-24
•
Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
- 👤 George J Mcgraw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:58
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)
DE596139C
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US2044075A
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US2204806A
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US2641787A
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US2469060A
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US2515403A
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US2701888A
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US2632192A
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US2694210A
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US2677837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |