US2915889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rug cleaning device
Assignee: Individual
•
Filing: 1957-03-07
•
Granted: 1959-12-08
•
Expires: 1977-03-07
Abstract
No abstract record available.
Inventors
- 👤 Harry E Ethridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:36
CPC Classifications
D; D06; D06G; D06G1/00; D06F; D06F43/00; D06F43/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US257707A
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US897398A
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US1284949A
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US1593678A
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US1754306A
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US1873635A
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US1885464A
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US2225407A
Cited
US2099081A
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US2180562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |