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US3551564A Expired / Lapsed US ⏱️ 0.0 years remaining

Parenteral sulfonamide and sulfonamide potentiator combinations

Assignee: F Hoffmann La Roche AG
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Filing: 1967-04-28
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Granted: 1970-12-29
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Expires: 1987-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Heinrich Klaui
  • 👤 Walter Rehm

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 05:43
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K31/00; A61K31/63; A61K31/635; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K47/16; A61K47/18; A61K47/20; A61K47/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-12-28 1974-06-29 1974-12-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-12-28 1978-06-29 1978-12-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-12-28 1982-06-29 1982-12-29 $7700.00 Window Closed / Lapsed

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