US2763886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum mop and strainer
Assignee: Individual
•
Filing: 1950-09-26
•
Granted: 1956-09-25
•
Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Kepler Brown
- 👤 Sr Charles Kepler Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:58
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0042; A47L11/00; A47L11/29; A47L11/30; A47L11/40; A47L11/4013; A47L11/4016; A47L11/4019; A47L11/4025; A47L11/4027; A47L11/4036; A47L11/4044; A47L11/408; A47L11/4083; A47L11/4097; A47L7/0009; A47L7/0014; A47L7/0023; A47L7/0028; A47L7/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1690472A
Cited
US1762142A
Cited
US2306212A
Cited
US2516246A
Cited
US2470319A
Cited
US2607068A
Cited
US2607067A
Cited
US2549181A
Cited
US2617138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |