Patent US2779044A successfully refreshed from Google Patents.
US2779044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ruffle mop
Assignee: Individual
•
Filing: 1952-02-21
•
Granted: 1957-01-29
•
Expires: 1972-02-21
Abstract
No abstract record available.
Inventors
- 👤 Brockmeier Ruby Lee
- 👤 Fred C Brockmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:42
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1029070A
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GB251415A
Cited
US1643878A
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US1684379A
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US1849286A
Cited
US2004804A
Cited
US2067687A
Cited
GB498929A
Cited
US2231272A
Cited
US2318016A
Cited
US2345730A
Cited
US2655680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |