Patent US2715743A successfully refreshed from Google Patents.
US2715743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wringer type sponge mop
Assignee: Individual
•
Filing: 1951-06-19
•
Granted: 1955-08-23
•
Expires: 1971-06-19
Abstract
No abstract record available.
Inventors
- 👤 Olof G Ljungdahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:42
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/14; A47L13/146
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US603999A
Cited
GB189520332A
Cited
US1538740A
Cited
DE637458C
Cited
US2153601A
Cited
US2251384A
Cited
US2358673A
Cited
US2486102A
Cited
US2646587A
Cited
BE494899A
Cited
US2596026A
Cited
DE216565C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |