Category Archives: patent numbers

Ghost of Patents Past

Have you ever noticed old patent numbers printed on new products? I own a pie dough blender that I bought new about 15 years ago. Etched on its blade are three US patent numbers, 1486255, 1645052 and 1724356. A quick … Continue reading

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New Series Codes for Utility/Plant and Provisional Applications

According to the USPTO website, there are new series codes for utility/plant and provisional application serial numbers. The new codes are “12” for utility/plant applications and “61” for provisional applications. The first applications of 2008 were 12/5,841 and 61/9,389, so … Continue reading

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Review: Japanese-English Chemical Dictionary

Japanese-English Chemical Dictionary: Including a Guide to Japanese Patents and Scientific Literature. Edited by Markus Gewehr. Wiley-VCH, 2007. 680 p. $230 ISBN 978-3527312931 My library just received a copy of this very impressive reference work. The bulk of the book … Continue reading

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Baby Products, Patent Numbers and a Puzzle

My wife and I are going to be new parents any day now, so our house has been filling up with all kinds of cool baby-related products. (We’re having twins, so that means two of everything.) Of course, I can’t … Continue reading

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