US2858559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dusting mop for use over floor brush
Assignee: Individual
•
Filing: 1953-03-16
•
Granted: 1958-11-04
•
Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Sr Lawrence A Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/42; A47L13/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US960158A
Cited
GB190908050A
Cited
US1550845A
Cited
US1643637A
Cited
US2062049A
Cited
GB484607A
Cited
GB481824A
Cited
US2200808A
Cited
US2353517A
Cited
CH214576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |