← Back to Patent Explorer
US2352802A Expired / Lapsed US ⏱️ 0.0 years remaining

Control system for postage printing machines

Assignee: National Postal Meter Co
•
Filing: 1941-10-01
•
Granted: 1944-07-04
•
Expires: 1961-10-01
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Commodore D Ryan
  • 👤 Edward P Drake

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:15
CPC Classifications
B; B41; B41K; B41K3/00; B41K3/44; G; G07; G07B; G07B17/00; G07B17/00459; G07B17/00508; G07B17/00185; G07B17/00193; G07B2017/0025; G07B2017/00516; G07B2017/00524; G07B2017/00548; G07B2017/00612; G07B2017/0062

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) 1947-07-04 1948-01-03 1948-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1951-07-04 1952-01-03 1952-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1955-07-04 1956-01-03 1956-07-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag