← Back to Patent Explorer
US2925478A Expired / Lapsed US ⏱️ 0.0 years remaining

Interval timer

Assignee: Controls Company of America
•
Filing: 1958-03-17
•
Granted: 1960-02-16
•
Expires: 1978-03-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James N Yamasaki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:28
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/06

Claims Analysis

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

References Cited (Backward Citations)

US674030A Cited
US2742538A Cited
US2728822A Cited
US2801305A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-02-15 1963-08-17 1964-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-02-15 1967-08-17 1968-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-02-15 1971-08-17 1972-02-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag