US3709398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: CPPD Inc A CORP OF
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Filing: 1970-08-21
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Granted: 1973-01-09
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Expires: 1990-08-21
Abstract
Abstract A can which is of lightweight construction and suitable for heat sterilization, the can being formed from plastics coated aluminum and all seams sealed by heat sealing.
Inventors
- 👤 G Fuhrmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:43
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/14; B29; B29C; B29C65/00; B29C65/48; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/543; B29C66/5432; B29C66/545; B29C66/70; B29C66/71; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C65/4805; B29C65/481; B29C65/4815; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
A sterilizable can according to claim 1 in which the thickness of the aluminum sheeting lies in the range 80 to 120 lambda .
Claim 2
Dependent Claim
20 words
A sterilizable can according to claim 1 in which the thickness of the polypropylene layer is substantially 50 Mu .
Claim 3
Dependent Claim
32 words
A sterilizable can according to claim 1 in which said aluminum sheeting has a tensile strength of at least 10 kg/sq mm. and a yield point of at least 7 kg/sq mm.
References Cited (Backward Citations)
US2185057A
Cited
US2412528A
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US3112300A
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US3206848A
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US3406891A
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US3387475A
Cited
US3568486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |