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US3418650A Expired / Lapsed US ⏱️ 0.0 years remaining

In and out register and pager system having indicators at remote and central stations

Assignee: ALGIMANTUS K STANKEVICIUS
•
Filing: 1965-04-26
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Granted: 1968-12-24
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Expires: 1985-04-26
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Abstract

No abstract record available.

Inventors

  • 👤 Anthony J Rich
  • 👤 Algimantus K Stankevicius

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:46
CPC Classifications
G; G08; G08B; G08B3/00; G08B3/10; G08B3/1008; G08B3/1016; G08B3/1075

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2971806A Cited
US3092689A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-24 1972-06-24 1972-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-24 1976-06-24 1976-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-24 1980-06-24 1980-12-24 $7700.00 Window Closed / Lapsed

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