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Class Information
Number: 428/64.1
Name: Stock material or miscellaneous articles > Circular sheet or circular blank
Description: Product whose outer boundary is that of a single curved line every point of which is substantially the same distance from a point at the center thereof.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610913 |
Fluid impermeable interface for protective materials |
Nov. 3, 2009 |
| 7604759 |
Process for producing dental prostheses |
Oct. 20, 2009 |
| 7599280 |
Information recording medium |
Oct. 6, 2009 |
| 7580343 |
Information recording medium |
Aug. 25, 2009 |
| 7577083 |
Information recording medium |
Aug. 18, 2009 |
| 7577082 |
Information recording medium |
Aug. 18, 2009 |
| 7572496 |
Recording medium having high melting point recording layer, information recording method thereof, and information reproducing apparatus and method therefor |
Aug. 11, 2009 |
| 7570574 |
Information recording medium |
Aug. 4, 2009 |
| 7570573 |
Information recording medium |
Aug. 4, 2009 |
| 7570572 |
Information recording medium |
Aug. 4, 2009 |
| 7567500 |
Information recording medium |
Jul. 28, 2009 |
| 7566673 |
Glass substrate for an information recording medium and information recording medium employing it |
Jul. 28, 2009 |
| 7529175 |
Method for making an optical disc having a track pitch smaller than a recording beam diameter |
May. 5, 2009 |
| 7527914 |
Reading inhibit agents |
May. 5, 2009 |
| 7517575 |
Optical information recording media and silver alloy reflective films for the same |
Apr. 14, 2009 |
| 7517574 |
Optical recording medium and method for manufacturing the same |
Apr. 14, 2009 |
| 7517573 |
Optical recording medium |
Apr. 14, 2009 |
| 7507458 |
Semi-reflective film and reflective film for optical information recording medium, optical information recording medium, and sputtering target |
Mar. 24, 2009 |
| 7507457 |
Optical recording medium and method of manufacturing the same |
Mar. 24, 2009 |
| 7505392 |
Optical disk with a plurality of radially extending marks for recording reflectance data of the optical disk |
Mar. 17, 2009 |
| 7501171 |
Optical information recording medium |
Mar. 10, 2009 |
| 7498070 |
Optical information recording medium |
Mar. 3, 2009 |
| 7498069 |
Optical recording medium, optical recording method, and optical recording apparatus |
Mar. 3, 2009 |
| 7495865 |
Adhesion layer for protective overcoat |
Feb. 24, 2009 |
| 7494700 |
Optical information recording medium and method of manufacturing the same |
Feb. 24, 2009 |
| 7484400 |
Method of testing optical information medium |
Feb. 3, 2009 |
| 7482049 |
Optical disc |
Jan. 27, 2009 |
| 7480928 |
Optical recording medium and method of producing the same |
Jan. 20, 2009 |
| 7476431 |
Silver alloy reflective films for optical information recording media, silver alloy sputtering targets therefor, and optical information recording media |
Jan. 13, 2009 |
| 7468200 |
Write once optical recording medium |
Dec. 23, 2008 |
| 7465424 |
Sputtering target material |
Dec. 16, 2008 |
| 7460463 |
Method of and apparatus for manufacturing multi-layer optical information recording medium |
Dec. 2, 2008 |
| 7459194 |
Optical information recording medium, manufacturing method of the same and optical information recording and reproducing apparatus |
Dec. 2, 2008 |
| 7452582 |
Rewritable optical recording medium recording method on the same and optical disc recording/retrieving apparatus |
Nov. 18, 2008 |
| RE40556 |
Multi-layer information recording medium and information recording and reproducing apparatus |
Oct. 28, 2008 |
| 7431973 |
Optical information recording medium, and manufacturing method, recording method, and recording apparatus thereof |
Oct. 7, 2008 |
| 7427432 |
Optical recording medium |
Sep. 23, 2008 |
| 7427431 |
Write once optical recording medium |
Sep. 23, 2008 |
| 7422634 |
Three inch silicon carbide wafer with low warp, bow, and TTV |
Sep. 9, 2008 |
| 7419711 |
Ag base alloy thin film and sputtering target for forming Ag base alloy thin film |
Sep. 2, 2008 |
| 7419710 |
Stamper for molding article and method of producing said stamper |
Sep. 2, 2008 |
| 7413788 |
Write-once-read-many optical recording media and process for recording and reproducing information on the media |
Aug. 19, 2008 |
| 7410681 |
Optical information recording medium |
Aug. 12, 2008 |
| 7407697 |
Information recording medium and method for manufacturing the same |
Aug. 5, 2008 |
| 7407696 |
Phase change materials for storage media |
Aug. 5, 2008 |
| 7397756 |
Information recording medium |
Jul. 8, 2008 |
| 7393574 |
Information recording medium |
Jul. 1, 2008 |
| 7390549 |
Asymmetric bis (indolestyryl) compound and high density recording media utilizing the same |
Jun. 24, 2008 |
| 7390548 |
Optical information storage medium |
Jun. 24, 2008 |
| 7390547 |
Super resolution information storage medium |
Jun. 24, 2008 |
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