- All sections
- G - Physics
- G03B - Apparatus or arrangements for taking photographs or for projecting or viewing themapparatus or arrangements employing analogous techniques using waves other than optical wavesaccessories therefor
- G03B 1/64 - Measuring or indicating length of the used or unused filmCounting number of exposures by means which ascertain the radius of the film coiled on a spool
Patent holdings for IPC class G03B 1/64
Total number of patents in this class: 0
10-year publication summary
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
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All patents
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This class
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| Other owners | 0 |