Patent US2435603A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2435603A Expired / Lapsed US ⏱️ 0.0 years remaining

Timing unit for switches

Assignee: Jefferson Electric Co
•
Filing: 1944-04-08
•
Granted: 1948-02-10
•
Expires: 1964-04-08
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Rickmeyer Ernst Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:53
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105

Claims Analysis

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

References Cited (Backward Citations)

US1144040A Cited
US1457059A Cited
US1937507A Cited
US2005476A Cited
US2088703A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-02-09 1951-08-11 1952-02-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-02-09 1955-08-11 1956-02-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-02-09 1959-08-11 1960-02-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag