Patent US3721904A successfully refreshed from Google Patents.
Patent US2938969A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2938969A Expired / Lapsed US ⏱️ 0.0 years remaining

Sequence timer

Assignee: GLADDEN PRODUCTS Corp
•
Filing: 1958-09-19
•
Granted: 1960-05-31
•
Expires: 1978-09-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John N Gladden
  • 👤 Jr Charles E Rees

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 06:38
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/124

Claims Analysis

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

References Cited (Backward Citations)

US1343141A Cited
US1993793A Cited
US2094060A Cited
US2634342A Cited
US2715169A Cited
US2748857A Cited
US2707731A Cited
US2777193A Cited
US2792460A Cited
US2796497A Cited
US2834095A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-05-31 1963-11-30 1964-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-05-31 1967-11-30 1968-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-05-31 1971-11-30 1972-05-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag