Patent AT245286B successfully refreshed from Google Patents.
AT245286B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Colored contact lenses and processes for their manufacture
Assignee: Ceskoslovenska Akademie Ved
•
Filing: 1963-05-27
•
Granted: 1966-02-25
•
Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Otto Wichterle
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-08 18:39
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/04; B29C41/042; B29C41/045; B29C41/22; B29D; B29D11/00; B29D11/00009; B29D11/00038; B29D11/00115; B29D11/00317; B29D11/00865; B29D11/00894; B29D11/00903; G; G02; G02B; G02B1/00; G02B1/04; G02B1/041; G02B1/043; G02C; G02C7/00; G02C7/02; G02C7/021; G02C7/04; G02C7/046; B29C2791/00; B29C2791/001; B29K; B29K2105/00; B29K2105/0002; B29K2995/00; B29K2995/0018; B29K2995/002; B29K2995/0021; B29L; B29L2011/00; B29L2011/0016; B29L2011/0041; B29L2031/00; B29L2031/76
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.