US2528602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning pad
Assignee: Individual
•
Filing: 1949-01-17
•
Granted: 1950-11-07
•
Expires: 1969-01-17
Abstract
No abstract record available.
Inventors
- 👤 Magit Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
A; A47; A47L; A47L25/00; A47L25/005; B; B65; B65H; B65H2402/00; B65H2402/40; B65H2402/41; B65H2402/411; Y; Y10; Y10S; Y10S206/00; Y10S206/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US144674A
Cited
US1587948A
Cited
US1743872A
Cited
US1716336A
Cited
US1754090A
Cited
US2248317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |