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US3483859A Expired / Lapsed US ⏱️ 0.0 years remaining

String for marking bleeding in upper gastro-intestinal tract

Assignee: FRED E PITTMAN
•
Filing: 1967-11-29
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Granted: 1969-12-16
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Expires: 1987-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Fred E Pittman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:41
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0108; A61J; A61J15/00; A61J15/0026; A61J15/008; A61J15/0084; A61J15/003; A61J15/0046; A61J15/0049; A61J15/0088

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2701559A Cited
US3097636A Cited
US3217705A Cited
US3155091A Cited
US3302634A Cited
US3302635A Cited
US3331371A Cited
US3302637A Cited
US3421499A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-12-15 1973-06-16 1973-12-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-12-15 1977-06-16 1977-12-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-12-15 1981-06-16 1981-12-16 $7700.00 Window Closed / Lapsed

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