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)
Publication number Priority date Publication date Assignee Title
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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
US4831761A 1988-06-09 1989-05-23 Kulakow Eric M Gun magazine and spring assembly
US5113605A * 1990-02-06 1992-05-19 Dae Sam Co., Ltd. Length-variable magazine
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