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US2889836A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1955-09-12
•
Granted: 1959-06-09
•
Expires: 1975-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Robert L Maley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:19
CPC Classifications
G; G04; G04D; G04D3/00; G04D3/08; G04D3/083; G04D3/086

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US996553A Cited
US1726035A Cited
US1763992A Cited
US1907366A Cited
US1938254A Cited
US2048350A Cited
US2026867A Cited
US2012643A Cited
US2101811A Cited
US2566819A Cited
FR1060438A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-06-08 1962-12-08 1963-06-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-06-08 1966-12-08 1967-06-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-06-08 1970-12-08 1971-06-09 $7700.00 Window Closed / Lapsed

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