Patent US2379878A successfully refreshed from Google Patents.
US3048876A
Expired / Lapsed
US
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Floor cleaning apparatus
Assignee: General Electric Co
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Filing: 1960-09-08
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Granted: 1962-08-14
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Expires: 1980-09-08
Abstract
No abstract record available.
Inventors
- 👤 Warren N Kemnitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:12
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/30; A47L11/4036; A47L11/4083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB283173A
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US2175645A
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US2607067A
Cited
US2653342A
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US2914791A
Cited
GB779512A
Cited
FR1157138A
Cited
US2986764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |