US3437227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening container
Assignee: Continental Can Co Inc
•
Filing: 1968-02-21
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Granted: 1969-04-08
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Expires: 1988-02-21
Abstract
No abstract record available.
Inventors
- 👤 Harry A Peyser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:10
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14344; B65; B65D; B65D17/00; B65D17/50; B65D17/506; B65D17/507; B65D17/508
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3184096A
Cited
US3338462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |