US2591468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support for cup type mop wringers
Assignee: Individual
•
Filing: 1946-09-25
•
Granted: 1952-04-01
•
Expires: 1966-09-25
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Rorem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:45
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/50; A47L13/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790638A
Cited
GB189524675A
Cited
GB190824976A
Cited
US1264917A
Cited
US1463517A
Cited
US1725213A
Cited
US1742078A
Cited
US1952824A
Cited
US2090867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |