Patent US5144256A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2777643A Expired / Lapsed US ⏱️ 0.0 years remaining

Tensioning mechanism for winding machines

Assignee: Allied Control Co Inc
•
Filing: 1952-12-24
•
Granted: 1957-01-15
•
Expires: 1972-12-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James E Bancroft

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 19:36
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/02; B65H59/04; H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/094; B65H2701/00; B65H2701/30; B65H2701/31

Claims Analysis

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

References Cited (Backward Citations)

US343946A Cited
US511251A Cited
US575451A Cited
FR404181A Cited
US991539A Cited
US1589435A Cited
US2126296A Cited
US2331662A Cited
US2412509A Cited
US2643109A Cited
US2607543A Cited
US2570617A Cited
US2626566A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-15 1960-07-16 1961-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-15 1964-07-16 1965-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-15 1968-07-16 1969-01-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag