The stippling depicts a foam material.
The stippling depicts a foam material.
| Number | Name | Date | Kind |
|---|---|---|---|
| 4483769 | Sherman | Nov 1984 | A |
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| D282484 | Armbruster | Feb 1986 | S |
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| 5622583 | Ernst | Apr 1997 | A |
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| D888216 | Wheeler | Jun 2020 | S |
| 20130161112 | Grzesiak et al. | Jun 2013 | A1 |
| 20160280044 | Schuenemann | Sep 2016 | A1 |
| 20210260514 | Heck | Aug 2021 | A1 |
| Number | Date | Country |
|---|---|---|
| 112160220 | Jan 2021 | CN |
| 6576860 | Sep 2019 | JP |
| 6576861 | Sep 2019 | JP |
| Entry |
|---|
| Air Box Filter Assembly Replacement, Aug. 1, 2019, Amazon, site visited Mar. 12, 2025: https://www.amazon.com/dp/B07VYQHSM2/ (Year: 2019). |
| Tatuo RV AC Replacement Air Filter, Aug. 28, 2018, Amazon, site visited Mar. 12, 2025: https://www.amazon.com/dp/B07GXG4G9C/ (Year: 2018). |
| GOOFIT Air Filter Cleaner Element, Oct. 30, 2015, Amazon, site visited Mar. 12, 2025: https://www.amazon.com/dp/B017DA56JE/ (Year: 2015). |