IP Library › Granted Patent US 6,670,897
Granted Patent Utility
US 6,670,897 · Confirmation No. 3628

COMPRESSION/DECOMPRESSION TECHNIQUES BASED ON TOKENS AND HUFFMAN CODING

Inventor: Brian Lin
Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2003-11-17 C.AD Change of Address 2 View
2003-10-30 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-10-30 LET. Miscellaneous Incoming Letter 2 View
2002-10-03 TRNA Transmittal of New Application 3 View
2002-10-03 SPEC Specification 24 View
2002-10-03 CLM Claims 10 View
2002-10-03 ABST Abstract 1 View
2002-10-03 DRW Drawings-only black and white line drawings 6 View
2002-10-03 OATH Oath or Declaration filed 3 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,670,897
App. No.
10/264,185
Filed
2002-10-03
Granted
2003-12-30
Art Unit
2819
PTA
-67 days