In the USPTO patent search page, http://patft.uspto.gov/netahtml/PTO/search-adv.htm,
enter isd/20080122 which corresponds to an issue date of January 22, 2008 (US Patents are issued EVERY TUESDAY, regardless of holiday; US Patent Applications are published only on Thursdays)
you will find that 2224 US Patents were issued on January 22, 2008
by comparison, roughly 3000 US Patents were issued every week for the past few years
the estimate for the amount of image space needed for each US Patent issue week, given 3000 documents per week, 500kB per image page, and 3-9 image pages per US Patent document - this will give 4.5-13.5GB of NEW US Patent images per WEEK! - on standard single-sided 4.7GB DVDs, that is one to three DVDs per week
also, by comparison, the USPTO offers various DVD (or comparable) data storage of past text and image documentation:
for all text information for 1976-2001 US patents, 90GB for $32,250
for all TIFF images for 1790-1999 US patents, 423 discs in DVD, about 2TB, for $22,750
for all OCR for 1920-1979, $41,450, with free ongoing OCR updates
total for all this information: $100,000 for just over 2TB of image and text data
Francis "Fran" Lorin
siberkhem.com
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