Patent DE342356C successfully refreshed from Google Patents.
Patent EP0556940A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
US1709327A Expired / Lapsed US ⏱️ 0.0 years remaining

Halftone photomechanical printing plate and method for producing the same

Assignee: Konica Minolta Graphic Imaging USA Inc
•
Filing: 1925-09-19
•
Granted: 1929-04-16
•
Expires: 1945-09-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Amos H Spalding
  • 👤 James M Chankalian

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:49
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/40

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

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1932-04-15 1932-10-15 1933-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1936-04-15 1936-10-15 1937-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1940-04-15 1940-10-15 1941-04-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag