Patent US2949620A successfully refreshed from Google Patents.
US2949620A
Expired / Lapsed
US
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Floor mopping machine
Assignee: Individual
•
Filing: 1957-01-29
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Granted: 1960-08-23
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Expires: 1977-01-29
Abstract
No abstract record available.
Inventors
- 👤 John W Noble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:40
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/30; A47L11/302; A47L11/4036; A47L11/4041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US336926A
Cited
US1059136A
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US1992986A
Cited
US1921901A
Cited
GB414163A
Cited
US2073726A
Cited
GB463735A
Cited
US2243935A
Cited
US2506077A
Cited
US2478318A
Cited
US2653337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |