IP Library Granted Patent US 6,525,250
Granted Patent Utility Small
US 6,525,250 · Confirmation No. 4343

DIFFERENTIAL SUPPORTING OF DRUM HEADS

Inventor: John J. Goods
⬇ PDF
Code Description Pages PDF
2001-05-29 TRNA Transmittal of New Application 2 View
2001-05-29 SPEC Specification 8 View
2001-05-29 CLM Claims 4 View
2001-05-29 ABST Abstract 1 View
2001-05-29 DRW Drawings-only black and white line drawings 3 View
2001-05-29 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 6,525,250
App. No.
09/866,202
Filed
2001-05-29
Granted
2003-02-25
Pub. No.
US20020178894A1
Art Unit
2837
PTA
-76 days