The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 2024
Filed:
Sep. 02, 2020
Amgen Inc., Thousand Oaks, CA (US);
Wael Mismar, Redondo Beach, CA (US);
Jessica Hai Liu, Agoura Hills, CA (US);
Dylan Bourelle, Thousand Oaks, CA (US);
Chia-Jung Wu, Redondo Beach, CA (US);
Shaun Devitt, Wayne, PA (US);
Kenneth G. Schalhoub, Denver, CO (US);
Tej Desai, Thousand Oaks, CA (US);
Mads Schjoth Due, Redondo Beach, CA (US);
Anthony Bitong, Calabasas, CA (US);
Arin Keshishian, Sunland, CA (US);
Chelsea Balli-Cruz, Winnetka, CA (US);
Pierre Burquel, South Weymouth, CA (US);
Ryan Oba, Santa Paula, CA (US);
Malak Guirguis, Los Angeles, CA (US);
AMGEN INC., Thousand Oaks, CA (US);
Abstract
An injection device is provided, including a syringe having a barrel and a flange and a backstop configured to be coupled with the syringe adjacent to the flange. The backstop includes an inner surface generally extending around at least a portion of the syringe, wherein the inner surface includes at least one protrusion extending away from the inner surface and configured to engage the flange and/or the barrel to permit or promote airflow through a space between the inner surface and the syringe.