Refillable notebook with release mechanism
US-9290035-B2 · Mar 22, 2016 · US
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Slots or openings in covers for rings
Slots or openings in covers for rings · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B42F13/008 |
| Official title | {Slots or openings in covers for rings} |
| Display label | Slots or openings in covers for rings |
| Total patents | 1 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2016 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.