US3450305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Venting means for containers
Assignee: Continental Can Co Inc
•
Filing: 1966-10-12
•
Granted: 1969-06-17
•
Expires: 1986-10-12
Abstract
No abstract record available.
Inventors
- 👤 James W Kinnavy
- 👤 John J Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:14
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US900763A
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US908140A
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US2128091A
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US2177963A
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US2500119A
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US2743036A
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US2822961A
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US2986319A
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US3081906A
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US3245578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |