US2921672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pill package
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1956-04-30
•
Granted: 1960-01-19
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ivy Mary Ellen
- 👤 Drury R Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:18
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/52; B65D75/58; B65D75/5816; B65D75/28; B65D75/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732875A
Cited
US1587987A
Cited
GB338513A
Cited
US2347509A
Cited
US2325021A
Cited
US2333587A
Cited
US2514255A
Cited
US2637152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |