Patent · US Active

Portable negative pressure apparatus

USD977624S1 · kind S1 · design

6Cited by
280References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 2019
Grant dateFeb 7, 2023
Priority date
Expiry dateFeb 7, 2038

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.