US3520463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-tight container
Assignee: Novelis Corp
•
Filing: 1968-03-04
•
Granted: 1970-07-14
•
Expires: 1988-03-04
Abstract
No abstract record available.
Inventors
- 👤 William L Ahlemeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:11
CPC Classifications
B; B65; B65D; B65D3/00; B31; B31C; B31C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US993170A
Cited
US1031965A
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US1944970A
Cited
US2540565A
Cited
US3207651A
Cited
US3322156A
Cited
US3279675A
Cited
US3406614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |