Patent EP0490624A2 successfully refreshed from Google Patents.
US2649600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined sponge and squeegee window cleaning device
Assignee: Individual
•
Filing: 1949-10-20
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Granted: 1953-08-25
•
Expires: 1969-10-20
Abstract
No abstract record available.
Inventors
- 👤 Pratt R Loveland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:39
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US333088A
Cited
US1790466A
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GB120749A
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FR589256A
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US1690581A
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US1778121A
Cited
US2251384A
Cited
US2191642A
Cited
US2572112A
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US2537482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |