IP Library › Granted Patent US 6,491,252
Granted Patent Utility
US 6,491,252 · Confirmation No. 6400

WINDING CORE HOLDING MECHANISM, ROLL MEDIUM HOLDING DEVICE HAVING THE SAME, AND WINDING DEVICE USING SAID MECHANISM AND DEVICE

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 Code Description Pages PDF
2001-04-06 TRNA Transmittal of New Application 1 View
2001-04-06 SPEC Specification 30 View
2001-04-06 CLM Claims 2 View
2001-04-06 ABST Abstract 1 View
2001-04-06 DRW Drawings-only black and white line drawings 29 View
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Quick Facts
Patent No.
US 6,491,252
App. No.
09/828,006
Filed
2001-04-06
Granted
2002-12-10
Pub. No.
US20010054667A1
Art Unit
3654
PTA
-50 days