IP Library › Granted Patent US 6,540,013
Granted Patent Utility
US 6,540,013 · Confirmation No. 9030

METHOD OF INCREASING THE STRENGTH AND SOLIDS LEVEL OF INVESTMENT CASTING SHELLS

Inventor: Ronald S. Doles
Patented Case View Patent ↗
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 Code Description Pages PDF
2005-09-12 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-09-12 COCOUT Certificate of Correction - Post Issue Communication 1 View
2001-06-07 TRNA Transmittal of New Application 2 View
2001-06-07 SPEC Specification 12 View
2001-06-07 CLM Claims 2 View
2001-06-07 ABST Abstract 1 View
2001-06-07 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,540,013
App. No.
09/876,613
Filed
2001-06-07
Granted
2003-04-01
Examiner
LIN, KUANG Y
Art Unit
1725
PTA
-6 days