IP Library › Patent Application 09841909
Patent Application Utility
App. No. 09/841,909 · Confirmation No. 7562

RECOVERY OF HFC-32

Inventor: John A. Wismer
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-04-25 TRNA Transmittal of New Application 2 View
2001-04-25 SPEC Specification 4 View
2001-04-25 CLM Claims 1 View
2001-04-25 ABST Abstract 1 View
2001-04-25 OATH Oath or Declaration filed 2 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
App. No.
09/841,909
Filed
2001-04-25
Granted
2003-08-12
Pub. No.
US20020157938A1
Art Unit
1764
PTA
-55 days