US2755568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthopedic sock lining
Assignee: DALSAN Inc
•
Filing: 1954-08-18
•
Granted: 1956-07-24
•
Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Menge Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:55
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1415; A43B7/1425; A43B7/1435; A43B7/1445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2229500A
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US2208078A
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US2300739A
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US2368514A
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US2383583A
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US2491280A
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US2502774A
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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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |