US2641068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible insole
Assignee: Individual
•
Filing: 1950-04-04
•
Granted: 1953-06-09
•
Expires: 1970-04-04
Abstract
No abstract record available.
Inventors
- 👤 Thompson Clifford James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:35
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/003; A43B17/006; A43B7/00; A43B7/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US351849A
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FR375881A
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GB191412079A
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CH108409A
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US1663944A
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GB349208A
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US1959057A
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US2284947A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |