Patent FR2284572A1 successfully refreshed from Google Patents.
FR2284572A1
Expired / Lapsed
FR
⏱️ 0.0 years remaining
PROCESS FOR MAKING GLASS TUBES WITH INTERNAL COATING FOR STRETCHING OPTICAL FIBERS
Assignee: Koninklijke Philips NV
•
Filing: 1975-09-12
•
Granted: —
•
Expires: 1995-09-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 13:31
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/012; C03B37/014; C03B37/018; C03B37/01807; C03B37/01815; C03B37/01823; C03B37/0183
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE2328930A1
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.