Patent US3038439A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3038439A Expired / Lapsed US ⏱️ 0.0 years remaining

Relay control system and indicating relay therefor

Assignee: Amot Controls LLC
•
Filing: 1959-03-19
•
Granted: 1962-06-12
•
Expires: 1979-03-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Henry W Martin
  • 👤 Arthur J Johnson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 21:35
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/18; F01M1/20; F01M1/22; F01M1/24; F02; F02B; F02B77/00; F02B77/08; Y; Y10; Y10S; Y10S116/00; Y10S116/42

Claims Analysis

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

References Cited (Backward Citations)

US2869565A Cited
US2888023A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-11 1965-12-11 1966-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-11 1969-12-11 1970-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-11 1973-12-11 1974-06-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag