IP Library Granted Patent US 6,637,981
Granted Patent Utility
US 6,637,981 · Confirmation No. 2334

RETAINING WALL BLOCK SYSTEM AND METHOD WITH VARYING BLOCK FACE SIZES

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Code Description Pages PDF
2003-07-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-30 LET. Miscellaneous Incoming Letter 2 View
2002-08-15 TRNA Transmittal of New Application 3 View
2002-08-15 A.PE Preliminary Amendment 18 View
2002-08-15 SPEC Specification 18 View
2002-08-15 CLM Claims 9 View
2002-08-15 ABST Abstract 1 View
2002-08-15 DRW Drawings-only black and white line drawings 8 View
2002-08-15 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,637,981
App. No.
10/219,790
Filed
2002-08-15
Granted
2003-10-28
Pub. No.
US20020192035A1
Art Unit
3673
PTA
0 days