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US2854982A Expired / Lapsed US ⏱️ 0.0 years remaining

Nasopharyngeal tube

Assignee: Individual
•
Filing: 1958-01-22
•
Granted: 1958-10-07
•
Expires: 1978-01-22
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Abstract

No abstract record available.

Inventors

  • 👤 Vito V Pagano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:19
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/003; A61M1/00; A61M1/84; A61M1/85; A61M2025/0034; A61M25/10; A61M2025/1043; A61M2025/1052; A61M25/0032; A61M25/1011

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2693191A Cited
US2687131A Cited
US2799273A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-10-06 1962-04-07 1962-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-10-06 1966-04-07 1966-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-10-06 1970-04-07 1970-10-07 $7700.00 Window Closed / Lapsed

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