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US2932294A Expired / Lapsed US ⏱️ 0.0 years remaining

Lighting devices for endoscopes

Assignee: Centre National de la Recherche Scientifique
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Filing: 1955-10-10
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Granted: 1960-04-12
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Expires: 1975-10-10
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Abstract

No abstract record available.

Inventors

  • 👤 Fourestier Max
  • 👤 Vulmiere Jacques
  • 👤 Vulmiere Huguette
  • 👤 Gladu Amedee Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:51
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00096; A61B1/00142; A61B1/06; A61B1/07

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1550197A Cited
US1751584A Cited
US1733239A Cited
US1968997A Cited
US1965865A Cited
FR787117A Cited
US2176620A Cited
US2235979A Cited
US2420772A Cited
US2424064A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-04-12 1963-10-12 1964-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-04-12 1967-10-12 1968-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-04-12 1971-10-12 1972-04-12 $7700.00 Window Closed / Lapsed

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