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US3016526A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrically-operated changing display indicators

Assignee: Siemens Edison Swan Ltd
•
Filing: 1958-11-18
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Granted: 1962-01-09
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Expires: 1978-11-18
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Abstract

No abstract record available.

Inventors

  • 👤 Hailey Albert Martin
  • 👤 Clarke Gordon Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:48
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/12; G09F11/14; G09G; G09G3/00; G09G3/04; G09G3/045

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB437914A Cited
DE924739C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-08 1965-07-10 1966-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-08 1969-07-10 1970-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-08 1973-07-10 1974-01-09 $7700.00 Window Closed / Lapsed

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