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US3295525A Expired / Lapsed US ⏱️ 0.0 years remaining

Self-aspirating cartridge ampoule

Assignee: AstraZeneca AB
•
Filing: 1964-04-07
•
Granted: 1967-01-03
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Expires: 1984-04-07
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Abstract

No abstract record available.

Inventors

  • 👤 Evers Hans Christer Arvid
  • 👤 Littorin Sven Paul

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:38
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31511; A61J; A61J1/00; A61J1/05; A61J1/06; A61J1/062; A61M5/28; A61M2005/3112; A61M5/24; Y; Y10; Y10S; Y10S55/00; Y10S55/36

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1783956A Cited
US2526365A Cited
US2577780A Cited
US2895773A Cited
DE1059151B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-02 1970-07-04 1971-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-02 1974-07-04 1975-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-02 1978-07-04 1979-01-03 $7700.00 Window Closed / Lapsed

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