Open boundary quad-ridged dual-polarization horn antenna
Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the open boundary quad-ridged dual-polarization horn antenna design in the drawings.
The broken lines depict portions of the open boundary quad-ridged dual-polarization horn antenna that form no part of the claimed design.
Claims
The ornamental design for an open boundary quad-ridged dual-polarization horn antenna, as shown and described.
| 7187340 | March 6, 2007 | Kralovec |
| 7969376 | June 28, 2011 | Steghafner |
| 20030210197 | November 13, 2003 | Cencich |
| 20050078044 | April 14, 2005 | Rodriguez |
| 20210305708 | September 30, 2021 | Hu |
| 307464144 | July 2022 | CN |
- ETS Lindgren, “Open Boundary Quad-Ridged Horn,” available at ets-lindgren.com, date published 2013, site visited Feb. 21, 2023, available at URL: https://www.ets-lindgren.com/products/antennas/open-boundary-quad-ridged-horn/4003/400304?page=Products-Item-Page (Year: 2013).
- NSI-MI, “Broadband Horn Antennas” available at NSI-MI.com, date published 2021, site visited Feb. 21, 2023, available at URL: https://www.nsi-mi.com/products/antenna-products/broadband-horn-antenna (Year: 2021).
- RF Spin, “QRH0140 Quad Ridged Horn Antenna” available at rfspin.com, date published Jul. 2021, site visited Feb. 21, 2023, available at URL: https://www.rfspin.com/product/qrh0140/ (Year: 2021).
Type: Grant
Filed: Apr 29, 2021
Date of Patent: Aug 29, 2023
Inventor: Nan Hu (Irvine, CA)
Primary Examiner: Daniel J Domino
Assistant Examiner: Samina Vieth
Application Number: 29/781,384