US3081481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor cleaning and polishing device
Assignee: Individual
•
Filing: 1959-06-18
•
Granted: 1963-03-19
•
Expires: 1979-06-18
Abstract
No abstract record available.
Inventors
- 👤 Nohl Egon
- 👤 Nohl Gertrud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:00
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/001; A46B11/0013; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/22; A47L13/26; A47L13/28; A47L13/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US882934A
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CH53053A
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US1071408A
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US1264707A
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US2099055A
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FR731785A
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GB437966A
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US2307858A
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US2618799A
Cited
US2646021A
Cited
US2789300A
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US2754029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |