US 8,943,998 · Application 12/946,022 · Granted Feb 3, 2015
US 8,943,998
Method and apparatus for cladding an interior surface of a curved pipe
Estimated expiration
December 5, 2033
7y 54d remaining
Earliest effective filing
Nov 15, 2010
+ 20 years
Nov 15, 2030
PTA +1116d
Dec 5, 2033
No TD
—
Final
Dec 5, 2033
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
- November 15, 2010
- Earliest effective filing
- November 15, 2010
- Issue date
- February 3, 2015
- PTA
- +1116 days
- Base expiry (before PTA)
- November 15, 2030
November 15, 2010 + 20 years = November 15, 2030 + 1116 PTA days = December 5, 2033
Continuity chain
No continuity chain; the patent’s own filing date was used.
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 12/946,022 · US 8,943,998
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www.patentreply.ai/tools/patent-expiration/US8943998Data 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.