SU171082A1
Active / In Force
SU
BALL PRESSURE MITRAL VALVE
Assignee: Б. П. Зверев, В. И. Шумаков, А. А. Ефременков, С. В. Михайлов, Ю. А. Перимов, В. А. Горелов, М. К. Шеметов , Я. Ф. Терещенк
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
SU
Data Source
google_patents
Last Synchronized
2026-10-22 23:06
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.