← Back to Patent Explorer
US2772097A Expired / Lapsed US ⏱️ 0.0 years remaining

Trailer steps

Assignee: Individual
•
Filing: 1954-03-02
•
Granted: 1956-11-27
•
Expires: 1974-03-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Albert W Mcdonald

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 18:55
CPC Classifications
B; B60; B60R; B60R3/00; B60R3/02

Claims Analysis

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

References Cited (Backward Citations)

US200514A Cited
US619800A Cited
US830867A Cited
US1011750A Cited
US2153945A Cited
US2209576A Cited
US2533050A Cited
US2659902A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-11-27 1960-05-28 1960-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-11-27 1964-05-28 1964-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-11-27 1968-05-28 1968-11-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag