Patent US2818155A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2818155A Expired / Lapsed US ⏱️ 0.0 years remaining

Typewriter ribbon

Assignee: Individual
•
Filing: 1955-01-20
•
Granted: 1957-12-31
•
Expires: 1975-01-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Kizak George

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:34
CPC Classifications
B; B41; B41J; B41J33/00; B41J33/003; B41J33/006

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US880913A Cited
US1212166A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-12-30 1961-07-01 1961-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-30 1965-07-01 1965-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-30 1969-07-01 1969-12-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag