Patent US3384918A successfully refreshed from Google Patents.
US3384918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mophead having a felted pad wrapped therearound
Assignee: Individual
•
Filing: 1965-11-23
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Granted: 1968-05-28
•
Expires: 1985-11-23
Abstract
No abstract record available.
Inventors
- 👤 Fink Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:51
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/28; A47L13/29; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/23943
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1651535A
Cited
US2381590A
Cited
US2523909A
Cited
US2919457A
Cited
US2916759A
Cited
US3075222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |