← Back to Patent Explorer
US2810409A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary cutter attachment for power units of chain saws

Assignee: LOMBARD GOVERNOR Corp
•
Filing: 1955-10-26
•
Granted: 1957-10-22
•
Expires: 1975-10-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Howard D Ibelle
  • 👤 Wallace L Smith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 00:30
CPC Classifications
B; B27; B27C; B27C9/00; B27C9/005; B27B; B27B17/00; B27B17/0016

Claims Analysis

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

References Cited (Backward Citations)

US2348588A Cited
US2435192A Cited
US2635649A Cited
US2697457A Cited
US2722955A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-10-21 1961-04-22 1961-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-10-21 1965-04-22 1965-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-10-21 1969-04-22 1969-10-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag