IP Library › Granted Patent US 6,799,031
Granted Patent Utility PCT National Stage
US 6,799,031 · Confirmation No. 1373

LOCAL COMBINED TELEPHONE AND ALARM SYSTEM

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2004-09-13 WFEE Fee Worksheet (SB06) 1 View
2004-08-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-06-21 LET. Miscellaneous Incoming Letter 1 View
2002-02-25 ABST Abstract 1 View
2002-02-25 LET. Miscellaneous Incoming Letter 34 View
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Quick Facts
Patent No.
US 6,799,031
App. No.
09/980,409
Filed
2002-02-25
Effective Filing
2001-11-30
Granted
2004-09-28
Art Unit
2683
PTA
-100 days