US2863231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of footwear having differentially deformable insoles
Assignee: CANADIAN FOOTWEAR RES Inc
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Filing: 1958-01-17
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Granted: 1958-12-09
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Expires: 1978-01-17
Abstract
No abstract record available.
Inventors
- 👤 Jones William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:00
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)
US1481133A
Cited
US1670811A
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US1675711A
Cited
US1741419A
Cited
US1841942A
Cited
US1977694A
Cited
US2253429A
Cited
US2323579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |