Patent US3140004A successfully refreshed from Google Patents.
US3140004A
Expired / Lapsed
US
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Hollow plastic containers
Assignee: OI Glass Inc
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Filing: 1960-12-02
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Granted: 1964-07-07
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Schaich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:41
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/02; B29C49/04; B29C48/00; B29C48/001; B29C48/0013; B29C48/0015; B29C48/03; B29C48/09; B29C48/16; B29C48/18; B29C48/21; B29C61/00; B29C61/006; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A HOLLOW PLASTIC CONTAINER CONSISTING OF AN INNER WALL OF THERMOPLASTIC MATERIAL; SAID MATERIAL HAVING ONE COEFFICIENT OF THERMAL CONTRACTION, A CONTIGUOUS OUTER WALL OF THERMOPLASTIC MATERIAL HAVING A COEFFICIENT OF THERMAL CONTRACTION DIFFERENT FROM SAID FRIST COEFFICIENT, AND EACH OF SAID WALLS BEING UNDER STRESS PRODUCED BY COOLING THE CONTAINER FROM AN ELEVATED TEMPERATURE.
Claim 2
Dependent Claim
55 words
A HOLLOW PLASTIC CONTAINER CONSISTING OF AN INNER WALL OF THERMOPLASTIC MATERIAL; SAID MATERIAL HAVING ONE COEFFICIENT OF THERMAL CONTRACTION, A CONTIGUOUS OUTER WALL OF THERMOPLASTIC MATERIAL HAVING A COEFFICIENT OF THERMAL CONTRACTION DIFFERENT FROM SAID FRIST COEFFICIENT, AND EACH OF SAID WALLS BEING UNDER STRESS PRODUCED BY COOLING THE CONTAINER FROM AN ELEVATED TEMPERATURE.
References Cited (Backward Citations)
US2781551A
Cited
US2860801A
Cited
US2830721A
Cited
US3037652A
Cited
US2953817A
Cited
US2929525A
Cited
US3032224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |