Coupling device for attaching stationery to a notebook
US-D1065323-S · Mar 4, 2025 · US
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Attachment means of ring, finger or claw form (ring files B42F13/16; using such means for permanent attachment B42B5/08)
Attachment means of ring, finger or claw form (ring files B42F13/16; using such means for permanent attachment B42B5/08) · 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 | B42F3/04 |
| Official title | Attachment means of ring, finger or claw form (ring files B42F13/16; using such means for permanent attachment B42B5/08) |
| Display label | Attachment means of ring, finger or claw form (ring files B42F13/16; using such means for permanent attachment B42B5/08) |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 3 |
| 2022 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coupling device
US-11465435-B2 · Oct 11, 2022 · US
Coupling device
US-2022144007-A1 · May 12, 2022 · US
Sheet processing apparatus and sheet processing method
US-10471764-B2 · Nov 12, 2019 · US
Sheet processing apparatus and sheet processing method
US-10343444-B2 · Jul 9, 2019 · US
Sheet processing apparatus and sheet processing method
US-2019135022-A1 · May 9, 2019 · US
Reinforced Pocket Device
US-2018290482-A1 · Oct 11, 2018 · US
Sheet binding device and sheet post-processing apparatus
US-10093121-B2 · Oct 9, 2018 · US
Reinforced pocket device
US-10017002-B2 · Jul 10, 2018 · US
Sheet processing apparatus and sheet processing method
US-2018186170-A1 · Jul 5, 2018 · US
Sheet binding device and sheet post-processing apparatus
US-2018015768-A1 · Jan 18, 2018 · US
Booklet binding member
US-D795344-S · Aug 22, 2017 · US
Connected disk binding mechanism
US-9266378-B2 · Feb 23, 2016 · US
Sheet stacking device
US-2015273931-A1 · Oct 1, 2015 · US
Sortable notepad
US-9108453-B2 · Aug 18, 2015 · US
Ring binder mechanism having unitary structure
US-9067457-B2 · Jun 30, 2015 · US
Actuating lever for a binder mechanism
US-8961055-B2 · Feb 24, 2015 · US