US3012265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sponge mop
Assignee: JOSEPH PURPURA
•
Filing: 1958-10-16
•
Granted: 1961-12-12
•
Expires: 1978-10-16
Abstract
No abstract record available.
Inventors
- 👤 Charles R Courtenay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:04
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/20; A47L13/24; A47L13/254; A47L13/257
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US475429A
Cited
FR641113A
Cited
US2249912A
Cited
US2664584A
Cited
US2586472A
Cited
US2747209A
Cited
US2803031A
Cited
US2841811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |