US3745024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for filling and sealing flexible containers
Assignee: Imperial Chemical Industries Ltd
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Filing: 1972-07-12
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Granted: 1973-07-10
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Expires: 1992-07-12
Abstract
Abstract A PLASTICS FILM CONTAINER IS PRESSURIZED THROUGH AN APERTURE IN ITS WALL WHILE HELD IN GAS-TIGHT CONTAC WITH A CONTINUOUS SURFACE, AND THE INFLATED CONTAINER IS SLID UPON THE SURFACE TO BRING THE APERTURE INTO CONTACT WITH A SEALING STRIP, WHICH IS SEALED AROUND THE APERTURE.
Inventors
- 👤 A Ford
- 👤 R Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:54
CPC Classifications
B; B65; B65B; B65B31/00; B65B31/04; B65B31/046; B65B55/00; B65B55/20
Claims Analysis
Total Claims: 0
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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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |