US2486102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sponge type mop with two-part hinged backing plate
Assignee: BETTY JANE JORGENSEN
•
Filing: 1945-10-08
•
Granted: 1949-10-25
•
Expires: 1965-10-08
Abstract
No abstract record available.
Inventors
- 👤 William E Berndsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:31
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US548622A
Cited
US603999A
Cited
US1538740A
Cited
US1665727A
Cited
US2138712A
Cited
US2044075A
Cited
GB467108A
Cited
US2251384A
Cited
US2204806A
Cited
US2358673A
Cited
US2310006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |