US108628A - Improvement in gates - Google Patents

Improvement in gates Download PDF

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Publication number
US108628A
US108628A US108628DA US108628A US 108628 A US108628 A US 108628A US 108628D A US108628D A US 108628DA US 108628 A US108628 A US 108628A
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United States
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gates
improvement
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Expired - Lifetime
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F13/00Mechanisms operated by the movement or weight of a person or vehicle
    • E05F13/04Mechanisms operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user

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  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
  • Amplifiers (AREA)

Description

US108628D Improvement in gates Expired - Lifetime US108628A (en)

Publications (1)

Publication Number Publication Date
US108628A true US108628A (en) 1870-10-25

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ID=2178102

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US108628D Expired - Lifetime US108628A (en) Improvement in gates

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US (1) US108628A (en)

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