Shoe and shoe upper with optimized shape-holding properties
US-12478138-B2 · Nov 25, 2025 · US
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heel or toe portions
heel or toe portions · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D04B9/56 |
| Official title | heel or toe portions |
| Display label | heel or toe portions |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sock with tab
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Shoe and shoe upper with optimized shape-holding properties
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Sock with tab
US-2020205481-A1 · Jul 2, 2020 · US
Method of forming convertible tights
US-9828706-B2 · Nov 28, 2017 · US
Method of forming convertible tights
US-2015074872-A1 · Mar 19, 2015 · US