GleanMark

LIFENGAS Trademark

LIFENGAS is a USPTO trademark filed by Shanghai Lianfeng Gas Co., Ltd.. Status: Pending.

Trademark Facts

MarkLIFENGAS
Serial Number99393672
StatusPending
Filing Date2025-09-15
Mark TypeWord
Nice Classes007 (Machinery)
OwnerShanghai Lianfeng Gas Co., Ltd.
Attorney of RecordClement Cheng
Prosecution Events10
Latest EventCRFA on 2026-05-07

Goods & Services

Class 007: Gas separation equipment, namely, gas separators; Electrolytic gas machine, namely, machines for manufacturing gases using electrolysis; Oxygen and nitrogen production equipment, namely, machines for manufacturing oxygen and nitrogen; Rare gas extraction equipment, namely, extraction machines for rare gas; Gas liquefaction equipment, namely, machines for liquefaction of gas; Carbon dioxide production equipment, namely, machines for manufacturing carbon dioxide; Hydrogen and oxygen equipment from electrolyzed water, namely, electrolysis machines for generating hydrogen and oxygen; Sulfuric acid manufacturing equipment; Soda ash manufacturing equipment; Petrochemical equipment, namely, industrial chemical reactors for petrochemicals

Recent Prosecution Activity

DateDocumentType
2026-02-20Notice of Non-Final Office ActionNFO
2026-02-20XSearch Search SummaryXSS
2026-02-20Non-Final ActionNFIN
2026-02-09Public NotePNR
2025-09-15ApplicationAPP

USPTO Refusals on Record

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