×

Timing system and device and method for making the same

  • US 10,274,900 B2
  • Filed: 03/15/2017
  • Issued: 04/30/2019
  • Est. Priority Date: 12/13/2002
  • Status: Active Grant
First Claim
Patent Images

1. A timing device comprising:

  • a. a plurality of chemically independent timing zones arranged in a linear fashion, wherein each of the plurality of timing zones indicates a different discrete time period and wherein a combination of the plurality of timing zones collectively viewed together indicates a total elapsed time period; and

    b. an activation mechanism for activating the timing device.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×