Patent Citations


Another Frequently Asked Question is, “Are these magazines Patented?” Yes. We have 2 Patents, and a third “Patent Pending.” The Patent Citations from the US Patent & Trademark Office (USPTO) are listed below:


Patent Citations (14)

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DE747658C * 1942-02-08 1944-10-09 Patronenmagazin fuer Schusswaffen, bestehend aus zwei teleskopisch ineinander verschiebbaren Gehaeuseteilen

US3443334A 1967-08-28 1969-05-13 Edward J Ardolino Cartridge magazine with a spring whose force against the cartridge may be selectively increased

US3453762A * 1967-06-19 1969-07-08 Colt S Inc Disposable magazine having a protective cover and follower retaining means

US3603020A 1970-03-27 1971-09-07 Us Army Magazine assembly with expendable cartridge container unit

US4472900A 1982-12-22 1984-09-25 Howard William J Telescoping magazine

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US7497044B2 2006-01-11 2009-03-03 Cammenga Corporation Firearm magazine

US20130255125A1 2012-03-31 2013-10-03 Randy Bath Firearm Magazine Incorporating Spring Tension Relief Mechanism

US20160370138A1 2015-06-17 2016-12-22 Albert ZAMM Spring-adjustment assembly of firearm magazine

Family To Family Citations

US747658A * 1903-10-05 1903-12-22 W R Miller Ventilator.

US10317153B2 * 2016-07-11 2019-06-11 Sagi Faifer Apparatus and method for increasing capacity of an ammunition magazine

US10190835B2 * 2017-06-02 2019-01-29 ZEV Technologies, Inc. Ammunition magazine basepad extension

US10527374B1 * 2019-04-16 2020-01-07 Robert August Anti-spring fatigue firearm magazine

* Cited by examiner, † Cited by third party

Cited By (6)

Publication number Priority date Publication date Assignee Title

US10690427B1 * 2019-04-16 2020-06-23 Robert August Anti-spring fatigue firearm magazine

US11131517B2 * 2018-12-10 2021-09-28 John A. Coggins Magazine base plate assembly

US20210381787A1 * 2018-12-10 2021-12-09 John A. Coggins Magazine Base Plate Assembly

CN114018088A * 2021-10-18 2022-02-08 朱志云 一种可长期储存子弹的弹匣辅助装置及其使用方法

Family To Family Citations

USD987763S1 * 2021-05-07 2023-05-30 22 Evolution Llc Magazine for firearm

US11662165B1 * 2021-11-29 2023-05-30 Arthur J. Viani Firearm magazine sleeve

* Cited by examiner, † Cited by third party, ‡ Family to family citation

Priority And Related Applications

Child Applications (1)

Application Priority date Filing date Relation Title

US16/706,252 2019-04-16 2019-12-06 Continuation Anti-spring fatigue firearm magazine

Priority Applications (3)

Application Priority date Filing date Title

US16/385,219 2019-04-16 2019-04-16 Anti-spring fatigue firearm magazine

US16/706,252 2019-04-16 2019-12-06 Anti-spring fatigue firearm magazine

PCT/IB2020/053634 2019-04-16 2020-04-16 Chargeur d’arme à feu antifatigue de ressort

Applications Claiming Priority (1)

Application Filing date Title

US16/385,219 2019-04-16 Anti-spring fatigue firearm magazine

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The Anti-Spring Fatigue (ASF) Rifle Magazine is protected by active Patents issued by the United States Patent Office: 10527374 and 10690427.  Any attempt to utilize any of the information contained in one or more of these patents without the expressed written permission of the patent holder(s) will result in criminal prosecution to the fullest extent of the law.  © 2024 Anti-Spring Fatigue (ASF) Rifle Magazine Company, LLC.  All Rights Reserved.  The ASF Magazine Name, Logos And Related Marks Are Trademarks Of Anti-Spring Fatigue (ASF) Rifle Magazine Company , LLC.