US Patent No: 7,340,461
Number of patents in Portfolio can not be more than 2000
Deactivating virtual devices and rolling backup
Stats
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Mar 4, 2008
Issued date -
Nov 27, 2002
filing date -
10/306,268
serial no -
In Force
status
Importance
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Abstract
Handling data includes providing a first storage area of a first type that contains sections of data, providing a second storage area of the first type that contains sections of data, providing a third storage area of a second type where the second type has, for each section thereof, a pointer to one of: a corresponding section of data of the first storage area and a corresponding section of data of the second storage area, causing the third storage area to be not available for accessing, and after causing the third storage area to not be available for accessing, providing data from the second storage area corresponding to pointers of the third storage area that point to sections of the second storage area.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 6,076,148 Mass storage subsystem and backup arrangement for digital data processing system which permits information to be backed up while host computer(s) continue(s) operating in connection with information stored on mass storage subsystem | 308 | 1997 | |
| 7,249,130 Virtual storage devices | 2 | 2002 | |
| 7,266,572 Restoring virtual devices | 2 | 2002 | |
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| 6,857,057 Virtual storage systems and virtual storage system operational methods | 43 | 2002 | |
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| 5,474,608 Applicator for application of coating color on a paper web | 14 | 1994 | |
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| 6,636,874 Generation, validation and reservation of reference handles | 14 | 2000 | |
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| 5,819,292 Method for maintaining consistent states of a file system and for creating user-accessible read-only copies of a file system | 604 | 1995 | |
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| 5,915,264 System for providing write notification during data set copy | 32 | 1997 | |
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| 4,853,843 System for merging virtual partitions of a distributed database | 254 | 1987 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 4, 2015 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 4, 2019 |
| Fee | Large entity fee | small entity fee | micro entity fee |
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| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| 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 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |