US2663046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for cleaning venetian blinds
Assignee: Individual
•
Filing: 1949-04-08
•
Granted: 1953-12-22
•
Expires: 1969-04-08
Abstract
No abstract record available.
Inventors
- 👤 Albert C Goguen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:20
CPC Classifications
A; A47; A47L; A47L4/00; A47L4/02; A47L9/00; A47L9/02; A47L9/06; A47L9/0606; A47L9/0613; A47L9/066; A47L9/0693
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1633119A
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US1831099A
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GB341311A
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US1913611A
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US2276078A
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US2271694A
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US2153893A
Cited
US2281499A
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US2422512A
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US2452107A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |