IP Library Granted Patent US 6,609,516
Granted Patent Utility Small
US 6,609,516 · Confirmation No. 9940

SMOKE ESCAPE MASK

⬇ PDF
Code Description Pages PDF
2002-03-28 TRNA Transmittal of New Application 2 View
2002-03-28 DRW Drawings-only black and white line drawings 16 View
2002-03-28 LET. Miscellaneous Incoming Letter 1 View
2002-02-14 TRNA Transmittal of New Application 3 View
2002-02-14 SPEC Specification 25 View
2002-02-14 CLM Claims 5 View
2002-02-14 ABST Abstract 1 View
2002-02-14 DRW Drawings-only black and white line drawings 16 View
2002-02-14 OATH Oath or Declaration filed 3 View
2002-02-14 LET. Miscellaneous Incoming Letter 1 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 6,609,516
App. No.
10/075,546
Filed
2002-02-14
Granted
2003-08-26
Pub. No.
US20020104543A1
Art Unit
3761
PTA
-104 days