DE2013866A1
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Prosthetic heart valve
Assignee: Shiley, Donald Pearce, Santa Ana, Calif. (V.St,A.)
•
Filing: 1970-03-23
•
Granted: —
•
Expires: 1990-03-23
Abstract
No abstract record available.
Inventors
- 👤 Der Anmelder Ist
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/24; A61F2/2409; A61F2/2403; A61F2/2406
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3374489A
Cited
DE1268312B
Cited
GB1101915A
Cited
US3367364A
Cited
GB1073076A
Cited
CH457712A
Cited
US3476143A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.