US3397803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening closure for tapered containers
Assignee: Continental Can Co Inc
•
Filing: 1966-03-18
•
Granted: 1968-08-20
•
Expires: 1986-03-18
Abstract
No abstract record available.
Inventors
- 👤 Roger W Melton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:24
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US228031A
Cited
US1885687A
Cited
US781534A
Cited
US1613826A
Cited
US2151690A
Cited
FR996153A
Cited
FR1013881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |