← Back to Patent Explorer
US2822171A Expired / Lapsed US ⏱️ 0.0 years remaining

Stacker arrangement

Assignee: International Business Machines Corp
•
Filing: 1956-01-03
•
Granted: 1958-02-04
•
Expires: 1976-01-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George A Luning

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:40
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/12; B65H29/14; G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/12; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4214; B65H2301/42146; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1914

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) 1961-02-03 1961-08-05 1962-02-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-03 1965-08-05 1966-02-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-03 1969-08-05 1970-02-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag