← Back to Patent Explorer
US3493301A Expired / Lapsed US ⏱️ 0.0 years remaining

Document processing method

Assignee: International Business Machines Corp
•
Filing: 1966-01-26
•
Granted: 1970-02-03
•
Expires: 1986-01-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Arthur J Sable
  • 👤 Charles J Bashe
  • 👤 Robert E Sandt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:33
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/50; G03G15/5066; G03G15/507; G03G15/22; G03G15/225; G06; G06K; G06K15/00; G06K15/02; G06K15/16

Claims Analysis

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

References Cited (Backward Citations)

US2026500A Cited
US2355268A Cited
US3090287A Cited
US3199404A Cited
US3354774A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-02 1973-08-04 1974-02-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-02 1977-08-04 1978-02-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-02 1981-08-04 1982-02-03 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag