The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 1976
Filed:
Feb. 24, 1975
Wendell J Manske, Birchwood Village, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
Indicating device suitable for visibly measuring parameters such as time, temperature, and time-temperature relationships. The device comprises in combination a porous reservoir pad containing an indicating material, a wick material and activating means. The progress of the indicating material along the wick can be visibly observed to indicate the passage of time, exposure to a given minimum temperature, or a time-temperature relationship. The combination is adapted to conveniently regulate migration of the indicating material from the reservoir pad to the wick. A preferred method for making an indicating device is described.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile