← Back to Patent Explorer
US2843040A Expired / Lapsed US ⏱️ 0.0 years remaining

Ink conditioning equipment for rotary lithographic press

Assignee: Individual
•
Filing: 1954-08-17
•
Granted: 1958-07-15
•
Expires: 1974-08-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Childers Warren

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:19
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/007

Claims Analysis

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

References Cited (Backward Citations)

US1251173A Cited
US1757948A Cited
US2395151A Cited
US2454903A Cited
US2602314A Cited
US2590429A Cited
US2676536A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-07-14 1962-01-13 1962-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-07-14 1966-01-13 1966-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-07-14 1970-01-13 1970-07-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag