US2959875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip-proof sock lining for shoes
Assignee: Individual
•
Filing: 1957-11-13
•
Granted: 1960-11-15
•
Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert C Frese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:10
CPC Classifications
A; A43; A43B; A43B17/00; A41; A41B; A41B11/00; A41B11/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US895539A
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CH115922A
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US1841942A
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US1864204A
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US1932658A
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US2027072A
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US2081474A
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US2075552A
Cited
US2220439A
Cited
US2491280A
Cited
US2623305A
Cited
US2629942A
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US2785480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |