Patent US3474930A successfully refreshed from Google Patents.
US3474930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamperproof cap or closure for a container
Assignee: TricorBraun Holdings Inc
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Filing: 1968-05-02
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Granted: 1969-10-28
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Expires: 1988-05-02
Abstract
No abstract record available.
Inventors
- 👤 Nathan B Lerner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:56
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/40; B65D2401/00; B65D2401/15; B65D2401/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |