US2666223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning swab for toilet bowls
Assignee: Individual
•
Filing: 1950-04-18
•
Granted: 1954-01-19
•
Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Lura B Farrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:10
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE592155C
Cited
US1047703A
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US1767313A
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US1903664A
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US2038958A
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US2104196A
Cited
US2301505A
Cited
US2412861A
Cited
US2428306A
Cited
US2560649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |