US3055731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for preventing reinfection of the sterilized surface of sheet-like packing material
Assignee: Alpura AG
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Filing: 1958-02-20
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Granted: 1962-09-25
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Expires: 1978-02-20
Abstract
No abstract record available.
Inventors
- 👤 Loliger Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:33
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/24; B65D81/26; B65D81/266; B65B; B65B55/00; B65B55/02; B65B55/04; B65B55/10; B65B55/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A METHOD FOR PREVENTING REINFECTION OF THE STERILE SIDE ONLY OF A FLEXIBLE STRIP-LIKE MATERIAL WHICH SIDE HAS BEEN PREVIOUSLY STERILIZED, THE MATERIAL MOVING IN LONGITUDINAL DIRECTION TOWARDS AN APPARATUS FOR FORMING CONTAINERS OF THE STRIP-LIKE MATERIAL WHEREBY THE STERILE SIDE IS ON THE INSIDE OF THE CONTAINERS, THE METHOD INCLUDING THE STEPS OF APPLYING TO AND MAINTAINING A CONTINUOUS FIRM OF A STERILE GAS ON THE STERILE SIDE ONLY, AND SPEADING THE STERILE GAS ONTO THE STERILE SIDE TO FLOW ON SAID SIDE FROM THE CENTER OF THE MATERIAL TOWARDS THE LATERAL EDGES OF THE STRIP-LIKE MATERIAL WHILE MAINTAINING A THIN UNINTERRUPTED LAYER OF STERILE GAS ADJACENT TO SAID SIDE.
Claim 2
Independent Claim
111 words
A METHOD FOR PREVENTING REINFECTION OF THE STERILE SIDE ONLY OF A FLEXIBLE STRIP-LIKE MATERIAL WHICH SIDE HAS BEEN PREVIOUSLY STERILIZED, THE MATERIAL MOVING IN LONGITUDINAL DIRECTION TOWARDS AN APPARATUS FOR FORMING CONTAINERS OF THE STRIP-LIKE MATERIAL WHEREBY THE STERILE SIDE IS ON THE INSIDE OF THE CONTAINERS, THE METHOD INCLUDING THE STEPS OF APPLYING TO AND MAINTAINING A CONTINUOUS FIRM OF A STERILE GAS ON THE STERILE SIDE ONLY, AND SPEADING THE STERILE GAS ONTO THE STERILE SIDE TO FLOW ON SAID SIDE FROM THE CENTER OF THE MATERIAL TOWARDS THE LATERAL EDGES OF THE STRIP-LIKE MATERIAL WHILE MAINTAINING A THIN UNINTERRUPTED LAYER OF STERILE GAS ADJACENT TO SAID SIDE.
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |