IP Library › Granted Patent US 6,637,838
Granted Patent Utility
US 6,637,838 · Confirmation No. 3716

PNEUMATIC BOOSTER

Inventor: Shuzo Watanabe
Patented Case View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2003-08-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-04-26 TRNA Transmittal of New Application 2 View
2002-04-26 SPEC Specification 23 View
2002-04-26 CLM Claims 8 View
2002-04-26 ABST Abstract 1 View
2002-04-26 DRW Drawings-only black and white line drawings 7 View
2002-04-26 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 6,637,838
App. No.
10/132,417
Filed
2002-04-26
Granted
2003-10-28
Pub. No.
US20020158508A1
Art Unit
3683
PTA
-3 days