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US2444050A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for making box blanks

Assignee: Hoague Sprague Corp
•
Filing: 1942-03-26
•
Granted: 1948-06-29
•
Expires: 1962-03-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Cutler D Knowlton
  • 👤 George F C Burke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:26
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/02; B31B50/04; B31B50/046; B31B50/14; B31B50/20; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/093; Y10T83/094; Y10T83/444; Y10T83/447; Y10T83/4473; Y10T83/4529

Claims Analysis

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

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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) 1951-06-29 1951-12-29 1952-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-06-29 1955-12-29 1956-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-06-29 1959-12-29 1960-06-29 $7700.00 Window Closed / Lapsed

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