Patent US3199340A successfully refreshed from Google Patents.
US3414928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination sponge and scourer
Assignee: 3M Co
•
Filing: 1965-10-22
•
Granted: 1968-12-10
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:47
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04; A47L17/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24008; Y10T428/24017; Y10T428/249921; Y10T428/249953; Y10T428/24996
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
BE526921A
Cited
US1939846A
Cited
US1816108A
Cited
US2220140A
Cited
US2107636A
Cited
US2232389A
Cited
US2268403A
Cited
US2885703A
Cited
US2804728A
Cited
US3073716A
Cited
US3040353A
Cited
GB951450A
Cited
US3005219A
Cited
GB909486A
Cited
GB899017A
Cited
US3350735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |