Patent US2607067A successfully refreshed from Google Patents.
US2607067A
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US
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Suction operated floor cleaning tool
Assignee: Individual
•
Filing: 1948-01-19
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Granted: 1952-08-19
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Expires: 1968-01-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Minerley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:17
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4083; A47L11/29; A47L11/30; A47L11/4013; A47L11/4016; A47L11/4036; A47L11/4044; A47L7/00; A47L7/0004; A47L7/0009; A47L7/0019; A47L7/0023; A47L7/0038; A47L7/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR381256A
Cited
US1762142A
Cited
US1849663A
Cited
US1892347A
Cited
US2168692A
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US2200026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |