Patent US2845175A successfully refreshed from Google Patents.
US2845175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling device for containers
Assignee: Primerica Inc
•
Filing: 1955-04-25
•
Granted: 1958-07-29
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Edward O Then
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/50; B65D75/00; B65D75/52; B65D75/54; B65D75/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2331038A
Cited
US2557801A
Cited
US2514858A
Cited
US2675264A
Cited
US2709618A
Cited
US2674389A
Cited
US2680040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |