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Patent Application Utility
App. No. 10/010,152 · Confirmation No. 3519

HEAT EXCHANGER SLEEVE END EXPANDER

Inventor: Bruce W. Schafer
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
10/010,152
Filed
2001-11-08
Granted
2004-05-11
Pub. No.
US20020059725A1
Art Unit
3726
PTA
-160 days