← Back to Patent Explorer
US2437213A Expired / Lapsed US ⏱️ 0.0 years remaining

Trolley pole positioning means

Assignee: Goodman Manufacturing Co LP
•
Filing: 1944-11-13
•
Granted: 1948-03-02
•
Expires: 1964-11-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Slomer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:11
CPC Classifications
B; B60; B60L; B60L5/00; B60L5/04; B60L5/12; B60L5/14; B60L2200/00; B60L2200/26

Claims Analysis

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

References Cited (Backward Citations)

US558868A Cited
US558870A Cited
US820584A Cited
US868889A Cited
US1035249A Cited
US1175305A Cited
US1487311A Cited
US1658703A Cited
US1747489A Cited
US1796211A Cited
US2304762A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-03-02 1951-09-01 1952-03-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-03-02 1955-09-01 1956-03-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-03-02 1959-09-01 1960-03-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag