Patent US2739333A successfully refreshed from Google Patents.
US2739333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Household appliance for treating floors
Assignee: SC Johnson and Son Inc
•
Filing: 1950-07-06
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Granted: 1956-03-27
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Expires: 1970-07-06
Abstract
No abstract record available.
Inventors
- 👤 William C Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:12
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US296397A
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US1118546A
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US1416619A
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US1904774A
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US2029426A
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US2196365A
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US2112593A
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US2456782A
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US2516396A
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US2574643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |