US3091901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for producing aseptically packaged sterile plastic articles
Assignee: Individual
•
Filing: 1960-10-21
•
Granted: 1963-06-04
•
Expires: 1980-10-21
Abstract
No abstract record available.
Inventors
- 👤 Silverstolpe Karl Oska Lennart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:36
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/16; A61L2/20; B; B65; B65B; B65B55/00; B65B55/02; B65B55/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD FOR PORDUCING ASEPTICALLY PACKAGED SOLID STERILE ARTICLES OF THERMOPLASTIC MATERIAL COMPRISING HEATING THE THERMOPLASTIC MATERIAL TO A MOLDING TEMPERATURE WHICH IS ABOVE THE TEMPERATURE NECESSARY FOR STERILIZATION SO AS TO EFFECT STERILIZATION OF THE THERMOPLASTIC MATERIAL, MOLDING THE THERMOPLASTIC MATERIAL INTO ARTICLES, INTRODUCING THE MOLDED ARTICLES WHILE STERILE INTO A STERILE PACKAGING CHAMBER, BLOWING STERILE AIR INTO SAID STERILE PACKAGING CHAMBER TO CREATE A SLIGHT SUPERATMOSPHERIC PRESSURE THEREIN AS WELL AS TO KEEP SAID STERILE PACKAGING CHAMBER IN A STERILE CONDITION, ENCLOSING THE STERILE MOLDED ARTICLES WHILE IN SAID STERILE PACKAGING CHAMBER INTO STERILE ENVELOPES SO AS TO FORM STERILE PACKAGED ARTICLES, AND REMOVING SAID STERILE PACKAGED ARTICLES FROM SAID STERILE PACKAGING CHAMBER.
Claim 2
Independent Claim
115 words
A METHOD FOR PORDUCING ASEPTICALLY PACKAGED SOLID STERILE ARTICLES OF THERMOPLASTIC MATERIAL COMPRISING HEATING THE THERMOPLASTIC MATERIAL TO A MOLDING TEMPERATURE WHICH IS ABOVE THE TEMPERATURE NECESSARY FOR STERILIZATION SO AS TO EFFECT STERILIZATION OF THE THERMOPLASTIC MATERIAL, MOLDING THE THERMOPLASTIC MATERIAL INTO ARTICLES, INTRODUCING THE MOLDED ARTICLES WHILE STERILE INTO A STERILE PACKAGING CHAMBER, BLOWING STERILE AIR INTO SAID STERILE PACKAGING CHAMBER TO CREATE A SLIGHT SUPERATMOSPHERIC PRESSURE THEREIN AS WELL AS TO KEEP SAID STERILE PACKAGING CHAMBER IN A STERILE CONDITION, ENCLOSING THE STERILE MOLDED ARTICLES WHILE IN SAID STERILE PACKAGING CHAMBER INTO STERILE ENVELOPES SO AS TO FORM STERILE PACKAGED ARTICLES, AND REMOVING SAID STERILE PACKAGED ARTICLES FROM SAID STERILE PACKAGING CHAMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |