Patent EP0243179B1 successfully refreshed from Google Patents.
US2675631A
Expired / Lapsed
US
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Footwear article of the slipper-sock type
Assignee: Individual
•
Filing: 1951-02-13
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Granted: 1954-04-20
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Expires: 1971-02-13
Abstract
No abstract record available.
Inventors
- 👤 Doughty John Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:33
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/30; A43B1/00; A43B1/02; A43B1/04; A43B3/10; A43B3/101; D; D04; D04B; D04B1/00; D04B1/22; D04B1/24; D04B1/26; D10; D10B; D10B2403/00; D10B2403/03; D10B2403/032; D10B2501/00; D10B2501/04; D10B2501/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1498829A
Cited
US1640255A
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US1803554A
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GB475912A
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US2147197A
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FR866772A
Cited
US2314098A
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US2541020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |