Patent US2427137A successfully refreshed from Google Patents.
US2427137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrubbing implement
Assignee: Individual
•
Filing: 1944-01-15
•
Granted: 1947-09-09
•
Expires: 1964-01-15
Abstract
No abstract record available.
Inventors
- 👤 Elisha W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:34
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US334671A
Cited
US533833A
Cited
US642484A
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US1265237A
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US1404620A
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US1833715A
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US2248064A
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US2004623A
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US2202292A
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US2318016A
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US2232389A
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US2310186A
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US2290098A
Cited
US2327900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-08 | 1951-03-10 | 1951-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-08 | 1955-03-10 | 1955-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-08 | 1959-03-10 | 1959-09-09 | $7700.00 | Window Closed / Lapsed |