US3615709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic film package containing contents under superatmospheric pressure
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-08-01
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Granted: 1971-10-26
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Expires: 1988-08-01
Abstract
Abstract A package comprising a container formed of oriented film of polyethylene terephthalate, containing a gas under pressure, e.g. a carbonated drink.
Inventors
- 👤 Andrew George Ford
- 👤 Ronald Augustus Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:10
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/16; B65D77/18; B65D81/00; B65D81/18; B65D81/20; B65D81/2046; B65D81/2061
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
18 words
A package as claimed in claim 1 in which the sleeve provides a free-standing support for the package.
Claim 2
Dependent Claim
40 words
A package according to claim 1 wherein the container comprises film that is oriented to a higher draw ratio in the longitudinal than in the circumferential direction, while having a product of draw ratios within the range 7 to 16.
Claim 3
Dependent Claim
17 words
A package as claimed in claim 1 in which the contents are beer or another carbonated drink.
Claim 4
Dependent Claim
26 words
A package as claimed in claim 1 in which the contents are an article or articles, or a solid substance, and a gas under superatmospheric pressure.
Claim 5
Dependent Claim
27 words
A package as claimed in claim 1 in which the container has a bunched neck at each end thereof, said bunched neck having a mechanical closure thereabout.
Claim 6
Dependent Claim
48 words
A package comprising a container formed from tubular biaxially oriented film of polyethylene terephthalate and filled with material under superatmospheric pressure, said container having a cylindrical portion intermediate the ends and being sealed at each end and having a bunched neck and a ligature surrounding said bunched neck.
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 |