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US2167484A Expired / Lapsed US ⏱️ 0.0 years remaining

Follow-up device

Assignee: INGOMAR ACQUISITION LLC
•
Filing: 1938-10-29
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Granted: 1939-07-25
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Expires: 1958-10-29
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Abstract

No abstract record available.

Inventors

  • 👤 Theodore M Berry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:25
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1409

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1942-07-24 1943-01-23 1943-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-07-24 1947-01-23 1947-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-07-24 1951-01-23 1951-07-25 $7700.00 Window Closed / Lapsed

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