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1. 发明授权

US4260550A Modified rosin esters 失效
标题翻译：改性松香酯
公开(公告)号：US4260550A
公开(公告)日：1981-04-07
申请号：US78634
申请日：1979-09-25
申请人： David P. Armstrong , Elvin R. Lukenbach , Robert J. Verdicchio
发明人： David P. Armstrong , Elvin R. Lukenbach , Robert J. Verdicchio
IPC分类号： B01F17/34 , C07C61/29 , C09F1/04 , C09F5/08 , C07C69/74 , C09F1/00
CPC分类号： C09F1/04 , C07C61/29
摘要： Novel modified rosin esters and a method of preparing these novel compounds are described. The novel compounds are useful in surfactant compositions.
摘要翻译：描述了新型改性松香酯及其制备方法。新型化合物可用于表面活性剂组合物。

2. 发明授权

US06839998B1 Replacement chassis stock system for firearms 有权
标题翻译：火器更换底盘库存系统
公开(公告)号：US06839998B1
公开(公告)日：2005-01-11
申请号：US10631216
申请日：2003-07-31
申请人： David P. Armstrong
发明人： David P. Armstrong
IPC分类号： F41C23/00
CPC分类号： F41C23/00
摘要： Disclosed herein is a modular, replacement chassis stock system for an existing firearm's operating mechanism possessing a simple design and incorporating durable, commercially available components. The system comprises a chassis assembly with up to three integral mounting rails, a top rail, a replacement operating rod guide, a telescoping buttstock assembly, and a buttstock/grip mount assembly. The present invention may be used to replace the standard stock of an M-14 rifle (or copies thereof, such as the Springfield Armory M1A) such that the barrel is held in perfect alignment with up to five Mil Std 1913 pattern mounting rails. The telescoping buttstock assembly is adjustable in length via the use of a thumb lever release and includes an adjustable cheek-rest, an optionally adjustable buttpad, and a pistol grip. Auxiliary devices may be attached to the chassis stock system via the buttstock/grip mount assembly located above the pistol grip. The chassis stock system is secured at the rear of the barreled action by the installation of the trigger assembly and at the front by attaching it to the replacement operating rod guide.
摘要翻译：本文公开了一种用于现有枪支操作机构的模块化替换底盘库存系统，其具有简单的设计并结合耐用的市售部件。该系统包括具有多达三个整体安装轨道的底盘组件，顶部轨道，替换操作杆引导件，伸缩式对接组件和对接托架安装组件。本发明可以用于替换M-14步枪（或其副本，例如斯普林菲尔德军械库M1A）的标准库存，使得枪管与最多五个Mil Std 1913图案安装轨道保持完美对准。伸缩式对接组件可通过使用拇指杆释放来调整长度，并包括可调节的颊板，可选择调节的对接垫以及手枪把手。辅助装置可以通过位于手枪把手上方的对接/夹持安装组件附接到底盘原料系统。底盘库存系统通过安装触发器组件固定在桶装动作的后部，并通过将其附接到更换的操作杆导向器而在前部固定。

3. 发明授权

US4265782A Detergent composition 失效
标题翻译：洗涤剂组成
公开(公告)号：US4265782A
公开(公告)日：1981-05-05
申请号：US78633
申请日：1979-09-25
申请人： David P. Armstrong , Robert J. Verdicchio
发明人： David P. Armstrong , Robert J. Verdicchio
IPC分类号： C11D1/08 , C11D3/20 , C11D10/02 , C11D1/94
CPC分类号： A61Q19/005 , A61K8/042 , A61K8/37 , A61Q19/10 , C11D1/08 , C11D3/2093
摘要： Improved detergent compositions are provided containing a modified rosin ester and at least one other surfactant selected from the group consisting of anionic, nonionic, cationic and amphoteric surfactants.
摘要翻译：提供改进的洗涤剂组合物，其含有改性松香酯和选自阴离子，非离子，阳离子和两性表面活性剂的至少一种其它表面活性剂。

4. 发明授权

US06543172B1 Buttstock assembly with removable and sealable storage tubes 失效
标题翻译：具有可移动和可密封的储存管的Buttstock组件
公开(公告)号：US06543172B1
公开(公告)日：2003-04-08
申请号：US10052858
申请日：2002-01-23
申请人： David P. Armstrong
发明人： David P. Armstrong
IPC分类号： F41C2300
CPC分类号： F41C23/22 , F41C23/08
摘要： A buttstock assembly has a buttstock that holds a plurality of removable and sealable tubes. The buttstock has a butt plate, an elongated body extending perpendicularly away from the butt plate, and a structural web coupled to the butt plate and elongated body. The elongated body defines a central cavity and an elongated cavity on either side thereof. Each tube is sealable and forms a sliding fit with one elongated cavity.
摘要翻译：对接组件具有支撑多个可移除和可密封的管的对接部。砧座具有对接板，垂直于对接板延伸的细长主体，以及联接到对接板和细长主体的结构腹板。细长体在其任一侧上限定中心空腔和细长空腔。每个管是可密封的并且与一个细长腔形成滑动配合。

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