US80030A - William r - Google Patents

William r Download PDF

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Publication number
US80030A
US80030A US80030DA US80030A US 80030 A US80030 A US 80030A US 80030D A US80030D A US 80030DA US 80030 A US80030 A US 80030A
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US
United States
Prior art keywords
william
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Expired - Lifetime
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Publication of US80030A publication Critical patent/US80030A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cookers (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Description

US80030D William r Expired - Lifetime US80030A (en)

Publications (1)

Publication Number Publication Date
US80030A true US80030A (en) 1868-07-14

Family

ID=2149526

Family Applications (1)

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US80030D Expired - Lifetime US80030A (en) William r

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US (1) US80030A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060085273A1 (en) * 2002-08-16 2006-04-20 Deutsche Post Ag Method and system for transmitting notifications to users of a logistic system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060085273A1 (en) * 2002-08-16 2006-04-20 Deutsche Post Ag Method and system for transmitting notifications to users of a logistic system

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