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US3616252A Expired / Lapsed US ⏱️ 0.0 years remaining

Sealed sterile package and process for opening same

Assignee: Baxter International Inc
•
Filing: 1968-08-30
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Granted: 1971-10-26
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Expires: 1988-08-30
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Abstract

Abstract The contents of a container are therein aseptically sealed by a heat-wastable closure secured in a small container opening. Access to the contents is achieved by passing the sealed portion of the container through a flame, simultaneously to waste said closure for unsealing said container and to sterilize the container about said opening.

Inventors

  • 👤 Sheldon H Forel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 08:06
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/02; C12M23/08; C12M23/20; C12M23/38; C12M37/00; C12M37/04; C12M45/00; C12M45/22

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 14 words
A process according to claim 1 in which the step of heating comprises combusting.
Claim 2
Dependent Claim 22 words
A process according to claim 1 in which the closure is fabricated from a material which leaves no interfering residue when wasted.
Claim 3
Dependent Claim 29 words
A process according to claim 1 in which the step of sealing comprises sticking said closure by adhesive to said container while the closure is disposed across said opening.
Claim 4
Dependent Claim 21 words
A process according to claim 2 in which combusting comprises manually passing the sealed portion of the container through a flame.
Claim 5
Dependent Claim 21 words
A process according to claim 1 further characterized by the step of sterilizing the container and said contents prior to storage.
Claim 6
Dependent Claim 18 words
A process according to claim 6 in which the contents comprise a growth medium for a microorganic culture.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-25 1975-04-26 1975-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-25 1979-04-26 1979-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-25 1983-04-26 1983-10-26 $7700.00 Window Closed / Lapsed

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