Patent US2849745A successfully refreshed from Google Patents.
US2849745A
Expired / Lapsed
US
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Venetian blind cleaning rack
Assignee: Individual
•
Filing: 1954-08-05
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Granted: 1958-09-02
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Expires: 1974-08-05
Abstract
No abstract record available.
Inventors
- 👤 Einar P Madsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:31
CPC Classifications
A; A47; A47L; A47L4/00; A47L4/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1030744A
Cited
US2391936A
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US2443859A
Cited
US2665698A
Cited
US2628803A
Cited
US2681782A
Cited
US2763024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |