← Back to Patent Explorer
US2695376A Expired / Lapsed US ⏱️ 0.0 years remaining

Tachometer device and control system, including such devices

Assignee: The General Electric Company PLC
•
Filing: 1952-06-24
•
Granted: 1954-11-23
•
Expires: 1972-06-24
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Emms Sydney Albert George
  • 👤 Pelton Bruce Sydney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 17:59
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/68; H02P5/69; H02P5/695

Claims Analysis

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

References Cited (Backward Citations)

US1111345A Cited
US1487012A Cited
US2246516A Cited
US2447208A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-11-22 1958-05-24 1958-11-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-11-22 1962-05-24 1962-11-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-11-22 1966-05-24 1966-11-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag