H03F 3/36
With tubes only
Official title: with tubes only
H03F3/36 (With tubes only) appears on 1 US grants and 1 published applications in this corpus.
Search patents in H03F- Granted patents
- 1
- Published applications
- 1
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
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No patent in this class has been cited by a later US patent yet.