Privacy override function for a door lock

US8997534B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8997534-B2
Application numberUS-201213557333-A
CountryUS
Kind codeB2
Filing dateJul 25, 2012
Priority dateJul 25, 2012
Publication dateApr 7, 2015
Grant dateApr 7, 2015

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A door lock includes a deadbolt and a latchbolt each movable between a thrown position and a retracted position, an inside lever operable to move the latchbolt between the thrown and retracted positions, and an outside lever configured in one of a locked and unlocked state in which the outside lever is operable to move the latchbolt between the thrown and retracted position. A thumbturn is coupled to the deadbolt and is movable between a first position in which the deadbolt is in the thrown position, the latchbolt is in the thrown position, and the outside lever is locked, a second position in which the deadbolt is in the retracted position, the latchbolt is in the thrown position, and the outside lever is locked, and a third position in which the deadbolt is in the retracted position, the latchbolt is in the thrown position, and the outside lever is unlocked.

First claim

Opening claim text (preview).

We claim: 1. A door lock including a deadbolt and a latchbolt each movable between a thrown position and a refracted position, the lock comprising: an inside lever operable to move the latch bolt between the thrown position and the retracted position; an outside lever configured in one of a locked state and an unlocked state in which the outside lever is operable to move the latchbolt between the thrown and the retracted position; a thumbturn coupled to the deadbolt and movabl…

Assignees

Inventors

Classifications

  • Fixed Constructions · mapped topic

  • E05B65/00Primary

    Fixed Constructions · mapped topic

  • Fixed Constructions · mapped topic

  • Fixed Constructions · mapped topic

  • Cross-Sectional Technologies · mapped topic

Patent family

Related publications grouped by family.

External sources

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US8997534B2 cover?
A door lock includes a deadbolt and a latchbolt each movable between a thrown position and a retracted position, an inside lever operable to move the latchbolt between the thrown and retracted positions, and an outside lever configured in one of a locked and unlocked state in which the outside lever is operable to move the latchbolt between the thrown and retracted position. A thumbturn is coup…
Who is the assignee on this patent?
Rai Subashchandra G, Kumar Charan, Schlage Lock Co Llc
What technology area does this patent fall under?
Primary CPC classification E05B65/00. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).