Patent US2607068A successfully refreshed from Google Patents.
US2607068A
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Suction operated floor cleaning device employing liquid
Assignee: Individual
•
Filing: 1946-04-24
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Granted: 1952-08-19
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Expires: 1966-04-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick K Minerley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:31
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/30; A47L11/4013; A47L11/4016; A47L11/4075; A47L11/4083; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3109
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR763304A
Cited
US847947A
Cited
US970466A
Cited
FR381256A
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US961816A
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US930628A
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US1042711A
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US1690472A
Cited
US1762142A
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GB271152A
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US1979797A
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US2129797A
Cited
US2200026A
Cited
US2292435A
Cited
US2384458A
Cited
US2516246A
Cited
US2470319A
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 |