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US2779327A Expired / Lapsed US ⏱️ 0.0 years remaining

Endoscope

Assignee: George P Pilling & Son Co
•
Filing: 1953-07-02
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Granted: 1957-01-29
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Expires: 1973-07-02
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Abstract

No abstract record available.

Inventors

  • 👤 Elvin E Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:15
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00112; A61B1/00114; A61B1/06; A61B1/0615; A61B1/0661; A61B1/0676

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US598787A Cited
FR555600A Cited
US2516882A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-29 1960-07-30 1961-01-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-29 1964-07-30 1965-01-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-29 1968-07-30 1969-01-29 $7700.00 Window Closed / Lapsed

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