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US2533267A Expired / Lapsed US ⏱️ 0.0 years remaining

Tracking apparatus

Assignee: Unisys Corp
•
Filing: 1944-09-08
•
Granted: 1950-12-12
•
Expires: 1964-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Joseph H Lancor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:30
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2412631A Cited
US2231929A Cited
US2147810A Cited
US2409448A Cited
US2399426A Cited
US2422068A Cited
US2427029A Cited
US2422333A Cited
US2448007A Cited
US2473175A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-12-11 1954-06-12 1954-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-12-11 1958-06-12 1958-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-12-11 1962-06-12 1962-12-12 $7700.00 Window Closed / Lapsed

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