← Back to Patent Explorer
US3465297A Expired / Lapsed US ⏱️ 0.0 years remaining

Program protection arrangement

Assignee: Control Data Corp
•
Filing: 1966-09-30
•
Granted: 1969-09-02
•
Expires: 1986-09-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Neil L Thomas
  • 👤 Albert A Petrini

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:23
CPC Classifications
G; G06; G06F; G06F13/00; G06F13/14; G06F13/20; G06F13/24; G06F12/00; G06F12/14; G06F12/1458; G06F12/1491

Claims Analysis

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

References Cited (Backward Citations)

US3263218A Cited
US3264615A Cited
US3271744A Cited
US3328765A Cited
US3328768A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-01 1973-03-03 1973-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-01 1977-03-03 1977-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-01 1981-03-03 1981-09-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag