Patent US2708691A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2708691A Expired / Lapsed US ⏱️ 0.0 years remaining

Answer time delay register circuit

Assignee: Automatic Electric Laboratories Inc
•
Filing: 1951-03-10
•
Granted: 1955-05-17
•
Expires: 1971-03-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Molnar Imre

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 14:30
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/22; H04M3/36; H04M15/00; H04M15/10; H04M3/42; H04M3/50; H04M3/51; H04M3/523

Claims Analysis

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

References Cited (Backward Citations)

US1676742A Cited
US1823944A Cited
US2194072A Cited
US2393403A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-05-16 1958-11-15 1959-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-05-16 1962-11-15 1963-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-05-16 1966-11-15 1967-05-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag