← Back to Patent Explorer
US2303379A Expired / Lapsed US ⏱️ 0.0 years remaining

Bulldozer

Assignee: Caterpillar Global Mining LLC
•
Filing: 1941-08-09
•
Granted: 1942-12-01
•
Expires: 1961-08-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 George W Mork

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:28
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/844

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) 1945-11-30 1946-06-01 1946-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1949-11-30 1950-06-01 1950-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1953-11-30 1954-06-01 1954-12-01 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag