US2709824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust mop for application to a broom or other carrier
Assignee: Individual
•
Filing: 1949-07-29
•
Granted: 1955-06-07
•
Expires: 1969-07-29
Abstract
No abstract record available.
Inventors
- 👤 Hall Barbara Vallo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:22
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)
US1120038A
Cited
US1476396A
Cited
US1609226A
Cited
US1804504A
Cited
US1929082A
Cited
US2221305A
Cited
US2293461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |