US3021649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated abrasive faced scrubbing pad
Assignee: IMP FOAM RUBBER CORP
•
Filing: 1959-02-04
•
Granted: 1962-02-20
•
Expires: 1979-02-04
Abstract
No abstract record available.
Inventors
- 👤 Robbins Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:50
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB208389A
Cited
US1690960A
Cited
US2178381A
Cited
US2268403A
Cited
US2780533A
Cited
US2650158A
Cited
US2804728A
Cited
US2880439A
Cited
US2838890A
Cited
US2935823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |