4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Having separate expander means
  6. Relatively sliding wedge surfaces

Hubert Forster

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Attachment assembly with anchor bolt and expansion wedge

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Relatively sliding wedge surfaces
Patent

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Dowel bolt with expansion control

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Reexamination Certificate

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Expansion dowel with sleeve and expansion member

Joints and connections – Member ends joined by inserted section – Expansible section
Patent

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Fastener driving head

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Reexamination Certificate

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Self-tapping screw

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Pilot end having means enhancing fastening or installation
Patent

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Profile ID: LFUS-PAI-P-852967

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