METHOD AND SYSTEM FOR CLEANING A HEAT EXCHANGE SYSTEM OF A HEATING VENTILATION AND AIR CONDITIONING SYSTEM
www.patentreply.ai/tools/patent-expiration/US10859331Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.
Learn how PTE is calculatedMethod And System For Cleaning A Heat Exchange System Of A Heating Ventilation And Air Conditioning System
Application No. 16600378
September 29, 2036
10y 39d remainingEarliest effective filing
Sep 29, 2016
+ 20 years
Sep 29, 2036
PTA +0d
Sep 29, 2036
No TD
—
Final
Sep 29, 2036
Filing Date
October 11, 2019
Earliest Effective Filing
September 29, 2016
Issue Date
December 8, 2020
PTA
0 days
Base Expiry (before PTA)
September 29, 2036
Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.