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US2653387A Expired / Lapsed US ⏱️ 0.0 years remaining

Layout instrument

Assignee: Individual
•
Filing: 1949-05-06
•
Granted: 1953-09-29
•
Expires: 1969-05-06
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Abstract

No abstract record available.

Inventors

  • 👤 Cameron James Arthur

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 03:56
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/005

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US397132A Cited
US678018A Cited
US776713A Cited
US811625A Cited
US870520A Cited
US1172510A Cited
US1483935A Cited
US1568876A Cited
US2272860A Cited
US2327058A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-09-28 1957-03-30 1957-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-09-28 1961-03-30 1961-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-09-28 1965-03-30 1965-09-29 $7700.00 Window Closed / Lapsed

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