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United States of America Patent

PATENT NO 8543901
SERIAL NO

09430883

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The systems and methods described herein are useful for maintaining the integrity of documents, such as web pages, which contain hyperlinks to other documents, such as other web pages. A value representative of the content or a portion thereof of the document referenced by the hyperlink may be included in the hyperlink, such that changes in the content of the document are reflected as changes in the value representative thereof. Subsequent retrievals of the referenced document may then be analyzed to verify that the contents of the document have not been altered since the hyperlink was created.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SANDPIPER CDN LLC251 LITTLE FALLS DRIVE WILMINGTON DE 19808

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Diwan, Arif Cranston, US 7 150

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 24, 2025
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
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