The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 2025
Filed:
Jun. 03, 2019
Pigeon Corporation, Tokyo, JP;
Yukifumi Ochiai, Tokyo, JP;
Sumiko Kuroishi, Tokyo, JP;
PIGEON CORPORATION, Tokyo, JP;
Abstract
Breast pumpincludes breast pump main bodygenerating a negative pressure for pumping, hoodconnected to the main bodyand placed onto a breast, and buffer portionmounted detachably to hood, and made of a material softer than a material of hood. Hoodincludes flow path portionconnected to the main bodyand through which breast milk extracted from the breast passes, and diameter expansion portionhaving a diameter expanding from flow path portiontoward edge portionon a side opposite to flow path portion. Buffer portionincludes bonding portionfitted to edge portion, and sealing portionprovided on the side opposite to bonding portionand comes into close contact with inner surfaceof diameter expansion portionbetween flow path portionand edge portion