H04M 1/54
Arrangements wherein a dial or the like generates identifying signals
Official title: Arrangements wherein a dial or the like generates identifying signals, e.g. in party-line systems
H04M1/54 (Arrangements wherein a dial or the like generates identifying signals) appears on 1 US grants and 3 published applications in this corpus.
Search patents in H04M- Granted patents
- 1
- Published applications
- 3
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
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Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.