US2730743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butterfly type sponge mops
Assignee: Rubbermaid Cleaning Products Inc
•
Filing: 1953-01-12
•
Granted: 1956-01-17
•
Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Zottola Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:42
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/14; A47L13/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US548622A
Cited
DE617197C
Cited
US2251384A
Cited
US2646587A
Cited
US2643407A
Cited
US2670488A
Cited
US2706303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |