← Back to Patent Explorer
US3362013A Expired / Lapsed US ⏱️ 0.0 years remaining

Sequential switching device

Assignee: International Business Machines Corp
•
Filing: 1964-04-20
•
Granted: 1968-01-02
•
Expires: 1984-04-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Abramson Paul
  • 👤 Richard W Bennett
  • 👤 Jr George R Stilwell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:27
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; H; H01; H01H; H01H36/00; H01H36/0006; H01H36/0053; H01H51/00; H01H51/28; H01H67/00; H01H67/02; H01H67/04; H01H67/06

Claims Analysis

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

References Cited (Backward Citations)

US2162170A Cited
US2701357A Cited
US3105232A Cited
US3222646A Cited
US3174081A Cited
US3264529A Cited
US3275896A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-01 1971-07-03 1972-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-01 1975-07-03 1976-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-01 1979-07-03 1980-01-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag