US2396861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brushing and cleaning apparatus for carpets and the like
Assignee: Individual
•
Filing: 1943-02-18
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Granted: 1946-03-19
•
Expires: 1963-02-18
Abstract
No abstract record available.
Inventors
- 👤 Linderoth Erik Torvald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:22
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4094; A47L11/02; A47L11/04; A47L11/08; A47L11/32; A47L11/33; A47L11/4013; A47L11/4025; A47L11/4027; A47L11/4036; A47L11/4041; A47L11/4052; A47L11/4055; A47L11/4075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |