US 10,859,331 · Application 16/600,378 · Granted Dec 8, 2020
US 10,859,331
Method and system for cleaning a heat exchange system of a heating ventilation and air conditioning system
Estimated expiration
September 29, 2036
10y 24d remaining
Earliest effective filing
Sep 29, 2016
+ 20 years
Sep 29, 2036
PTA +0d
Sep 29, 2036
No TD
—
Final
Sep 29, 2036
This calculation includes patent term adjustment (PTA) under 35 U.S.C. §154(b). Patent term extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included.
Calculation details
Base term
- 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
September 29, 2016 + 20 years = September 29, 2036
- Continuation-in-part of application 15/280,693, filed Sep 29, 2016, issued as US 10,480,875
- PRO62/234,405 — Provisional — not used for base term
- PRO62/234,405 — Provisional — not used for base term
Terminal disclaimers
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
The prosecution record for your AI
Application 16/600,378 · US 10,859,331
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www.patentreply.ai/tools/patent-expiration/US10859331Data 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.