Patent US2902704A successfully refreshed from Google Patents.
US2902704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head construction for multiple-strand mops
Assignee: Rubbermaid Cleaning Products Inc
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Filing: 1957-07-01
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Granted: 1959-09-08
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Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 Harold H Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:32
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US689941A
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US1408488A
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US1633830A
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GB292760A
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GB304185A
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GB368627A
Cited
US1899845A
Cited
US2203189A
Cited
GB690029A
Cited
US2729841A
Cited
US2832089A
Cited
US2870473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |