US2680260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrubbing machine with rotating brush for scrubbing surfaces
Assignee: Individual
•
Filing: 1947-08-06
•
Granted: 1954-06-08
•
Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Danielsson Nils Johan
- 👤 Sundin Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/30; A47L11/302; A47L11/305; A47L11/4027; A47L11/4036; A47L11/4038; A47L11/4044; A47L11/4052
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1480662A
Cited
US1625147A
Cited
US1687283A
Cited
US2023107A
Cited
US1798327A
Cited
US1821715A
Cited
US1892347A
Cited
US2003216A
Cited
US2136324A
Cited
US2250177A
Cited
US2223963A
Cited
US2243935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |