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Patent US2969177A successfully refreshed from Google Patents.
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US2969177A Expired / Lapsed US ⏱️ 0.0 years remaining

Partial product calculating machine

Assignee: REALTY AND INDUSTRIAL Corp
•
Filing: 1950-11-06
•
Granted: 1961-01-24
•
Expires: 1970-11-06
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William S Gubelmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:35
CPC Classifications
G; G06; G06C; G06C23/00; G06C23/02

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-24 1964-07-25 1965-01-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-24 1968-07-25 1969-01-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-24 1972-07-25 1973-01-24 $7700.00 Window Closed / Lapsed

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