← Back to Patent Explorer
US2491027A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for preparing printing plates

Assignee: Bemis Brothers Bag Co
•
Filing: 1945-06-22
•
Granted: 1949-12-13
•
Expires: 1965-06-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Belcher Daniel
  • 👤 Stanley C Freeman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:19
CPC Classifications
G; G03; G03F; G03F9/00; Y; Y10; Y10S; Y10S101/00; Y10S101/36

Claims Analysis

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

References Cited (Backward Citations)

US1281632A Cited
US1377513A Cited
US1296929A Cited
US1459669A Cited
US2000756A Cited
US2108039A Cited
US2131323A Cited
US2433653A Cited
US2330002A Cited
US2334821A Cited
US2348944A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-12-12 1953-06-13 1953-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-12-12 1957-06-13 1957-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-12-12 1961-06-13 1961-12-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag