US3948404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite package for containing pressurized fluids
Assignee: EIDP Inc
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Filing: 1974-11-14
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Granted: 1976-04-06
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Expires: 1994-11-14
Abstract
Abstract A composite package including a biaxially oriented polyethylene terephthalate bottle and a support cup. The bottom of the bottle has a degree of spherulitic crystallinity and is recessed to minimize exposure to shock which might cause rupture. Preferably, there is an interference fit between the bottle and support cup.
Inventors
- 👤 Guy Hathaway Collins
- 👤 Harlan Stuart Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:16
CPC Classifications
B; B65; B65D; B65D23/00; B65D23/001; B65D25/00; B65D25/20; B65D25/24
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
64 words
A composite package for containing carbonated soft drinks, beer, or aerosols comprising: a. a biaxially oriented, polyethylene terephthalate bottle having a generally convex base merging into an inwardly recessed concave relatively crystalline central bottom region having a nub, said nub being centrally located and thick relative to the entire bottom wall and b. support means engaging and maintaining said bottle in an upright position.
Claim 2
Dependent Claim
64 words
A composite package for containing carbonated soft drinks, beer, or aerosols comprising: a. a biaxially oriented, polyethylene terephthalate bottle having a generally convex base merging into an inwardly recessed concave relatively crystalline central bottom region having a nub, said nub being centrally located and thick relative to the entire bottom wall and b. support means engaging and maintaining said bottle in an upright position.
Claim 3
Dependent Claim
15 words
The package of claim 1 wherein said bottle is formed from a closed-end, injection-molded preform.
References Cited (Backward Citations)
US995985A
Cited
US2099055A
Cited
US2837245A
Cited
FR1203129A
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US3094239A
Cited
US3107028A
Cited
US3400853A
Cited
US3426939A
Cited
US3643829A
Cited
US3722725A
Cited
US3733309A
Cited
US3733309B1
Cited
US3726429A
Cited
US3757978A
Cited
US3870181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |