IP Library Granted Patent US 6,547,287
Granted Patent Utility
US 6,547,287 · Confirmation No. 2648

DUCT CONNECTING SYSTEM HAVING INTEGRAL TRANSVERSE FLANGES

Inventors: Ashok Shah, Richard Blum
Patented Case View Patent ↗
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Code Description Pages PDF
2015-06-22 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-10-11 TRNA Transmittal of New Application 3 View
2001-10-11 SPEC Specification 12 View
2001-10-11 CLM Claims 5 View
2001-10-11 ABST Abstract 1 View
2001-10-11 DRW Drawings-only black and white line drawings 2 View
2001-10-11 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,547,287
App. No.
09/977,003
Filed
2001-10-11
Granted
2003-04-15
Art Unit
3679
PTA
-83 days