Patent Application
Provisional
Small
App. No. 60/492,398
· Confirmation No. 5392
Apparatus for exterior evacuation from buildings
Inventor:
Robert L. Leon
Provisional Application Expired
Inventors
Robert L. Leon
Maple Glen, PA
Prosecution
- Confirmation No.
- 5392
Child
Claims priority from a provisional application
→
App. 10/757,956
· US 6,962,235
Filed 2004-01-15
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
PCT
Claims priority from a provisional application
→
PCT/US2004/000989
Filed 2004-01-15
· RO PROCESSING COMPLETED-PLACED IN STORAGE
from
LEON, ROBERT L.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2004-11-01
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.
- 60/492,398
- Filed
- 2003-08-04
External Links