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Security device and methodology

  • US 7,594,416 B2
  • Filed: 03/24/2005
  • Issued: 09/29/2009
  • Est. Priority Date: 03/24/2005
  • Status: Expired due to Fees
First Claim
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1. A lock comprising:

  • a padlock locking mechanism; and

    an indicator, said indicator being activated when said locking mechanism is unlocked, and said indicator being deactivated when said locking mechanism is locked, wherein a user of said lock is alerted to the unlocked status of said locking mechanism by a signal from said indicator, and wherein the continued unlocked status of said locking mechanism causes generation, by said indicator, of a second signal.

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