IP Library › Patent Application 10151712
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App. No. 10/151,712 · Confirmation No. 3346

ENERGY RETURN WHEEL SYSTEMS AND METHODS

Inventor: Brian A. Russell
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2014-12-04 C.AD Change of Address 1 View
2014-12-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-01-26 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-01-26 LET. Miscellaneous Incoming Letter 1 View
2004-01-26 DRW Drawings-only black and white line drawings 9 View
2002-05-20 TRNA Transmittal of New Application 2 View
2002-05-20 ADS Application Data Sheet 3 View
2002-05-20 SPEC Specification 13 View
2002-05-20 CLM Claims 5 View
2002-05-20 ABST Abstract 1 View
2002-05-20 DRW Drawings-only black and white line drawings 8 View
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Quick Facts
App. No.
10/151,712
Filed
2002-05-20
Granted
2004-03-09
Pub. No.
US20030213538A1
Art Unit
3617
PTA
-78 days