FR1563151A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
FR1563151A - - Google Patents
Assignee: —
•
Filing: 1968-02-28
•
Granted: 1969-04-11
•
Expires: 1988-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 13:45
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/002; E; E21; E21B; E21B43/00; E21B43/01; E21B43/013; E21B43/0135; F16L1/00; F16L1/26
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.