US3380609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll-on crown with ring tab
Assignee: Crown Cork and Seal Co Inc
•
Filing: 1966-04-14
•
Granted: 1968-04-30
•
Expires: 1986-04-14
Abstract
No abstract record available.
Inventors
- 👤 Vinson S Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:29
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/40; B65D41/42; B65D2401/00; B65D2401/15; B65D2401/35
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3092280A
Cited
US3041176A
Cited
US3130056A
Cited
US3186582A
Cited
US3216602A
Cited
US3195756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |