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US3459185A Expired / Lapsed US ⏱️ 0.0 years remaining

Ampule for freeze dried biological material maintained under partial vacuum conditions and method of obtaining said biological material from said ampule without contaminating the surrounding atmosphere

Assignee: Virtis Co Inc
•
Filing: 1966-01-10
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Granted: 1969-08-05
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Expires: 1986-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Charles E Bender
  • 👤 Martin C Parkinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 12:52
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/06; A61J1/065

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2372182A Cited
US2477926A Cited
FR1017067A Cited
US2896807A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-08-04 1973-02-03 1973-08-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-08-04 1977-02-03 1977-08-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-08-04 1981-02-03 1981-08-05 $7700.00 Window Closed / Lapsed

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