F21S 15/00
Non-electric lighting devices or systems employing light sources not covered by main
Official title: Non-electric lighting devices or systems employing light sources not covered by main groups F21S11/00, F21S13/00 or F21S19/00
F21S15/00 (Non-electric lighting devices or systems employing light sources not covered by main) appears on 2 US grants and 1 published applications in this corpus.
Search patents in F21S- Granted patents
- 2
- Published applications
- 1
- Assignees
- 0
- Inventors
- 2
- Latest grant
- 8 Nov 2022
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| Year | Granted patents | Published applications |
|---|---|---|
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
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