← Back to Patent Explorer
US3049288A Expired / Lapsed US ⏱️ 0.0 years remaining

Change computing apparatus in business machines

Assignee: Anker Werke AG
•
Filing: 1957-01-23
•
Granted: 1962-08-14
•
Expires: 1977-01-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Becker Gerhard
  • 👤 Borgmann Ernst

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 14:07
CPC Classifications
G; G06; G06C; G06C25/00

Claims Analysis

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

References Cited (Backward Citations)

US1934747A Cited
US2079355A Cited
US2118588A Cited
US2229834A Cited
US2274803A Cited
US2428084A Cited
US2950047A Cited
US2974860A Cited
US2853232A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-08-13 1966-02-12 1966-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-08-13 1970-02-12 1970-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-08-13 1974-02-12 1974-08-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag