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Patent Application Utility Small
App. No. 19/409,975 · Confirmation No. 3286

HEAT PUMP WATER HEATER WITH PHASE CHANGE MATERIAL HEAT EXCHANGER

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2026-06-25 NTC.PUB Notice of Publication 1 View
2026-04-22 OATH Oath or Declaration filed 2 View
2026-03-17 APP.FILE.REC Filing Receipt 4 View
2026-03-17 WFEE Fee Worksheet (SB06) 1 View
2026-03-17 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2026-03-03 OATH Oath or Declaration filed 1 View
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2026-03-03 OATH Oath or Declaration filed 2 View
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2026-03-03 N417 Electronic Filing System Acknowledgment Receipt 3 View
2026-03-03 OATH Oath or Declaration filed 8 View
2026-02-23 DRW.NONBW Drawings-other than black and white line drawings 7 View
2026-02-23 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-02-23 PEFR Applicant Response to Pre-Exam Formalities Notice 2 View
2026-02-23 DRW.SUPP Drawings-black and white line and/or other drawings — View
2026-02-23 SCORE Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) 1 View
2026-02-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-02-19 R46C.REQ Request under 37CFR1.46(c) to correct, update, change applicant 2 View
2026-02-19 PA.. Power of Attorney 2 View
2026-02-19 PA.. Power of Attorney 2 View
2026-02-19 ADS Application Data Sheet 8 View
2026-02-18 FOR Foreign Reference 26 View
2026-02-18 IDS Information Disclosure Statement (IDS) Form (SB08) 5 View
2026-02-18 FOR Foreign Reference 41 View
2026-02-18 N417 Electronic Filing System Acknowledgment Receipt 2 View
2026-02-11 IDS Information Disclosure Statement (IDS) Form (SB08) 7 View
2026-02-11 FOR Foreign Reference 46 View
2026-02-11 FOR Foreign Reference 28 View
2026-02-11 FOR Foreign Reference 20 View
2026-02-11 N417 Electronic Filing System Acknowledgment Receipt 4 View
2025-12-23 WFEE Fee Worksheet (SB06) 1 View
2025-12-23 NT.CR.APP.PA Notice to File Corrected Application Papers 2 View
2025-12-23 APP.FILE.REC Filing Receipt 4 View
2025-12-23 WELCOME.LET Welcome Letter from USPTO Director and Deputy Director 1 View
2025-12-05 APP.TEXT Application body structured text document — View
2025-12-05 N417.PYMT Electronic Fee Payment 2 View
2025-12-05 SPEC Specification 21 View
2025-12-05 ECOMM.AUTH Internet Communications Authorization 2 View
2025-12-05 ADS Application Data Sheet 10 View
2025-12-05 CLM Claims 4 View
2025-12-05 ABST Abstract 1 View
2025-12-05 DRW.NONBW Drawings-other than black and white line drawings 8 View
2025-12-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2025-12-05 DRW.SUPP Drawings-black and white line and/or other drawings — View
2025-12-05 SCORE Placeholder sheet indicating presence of supplemental content in Supplemental Complex Repository for Examiners(SCORE) 1 View
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Quick Facts
App. No.
19/409,975
Filed
2025-12-05
Pub. No.
US20260176517A1
Art Unit
OPAP