Patent US3397829A successfully refreshed from Google Patents.
US3397829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible container
Assignee: Reinforced Plastic Container Corp
•
Filing: 1966-12-09
•
Granted: 1968-08-20
•
Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 William B Wilkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:05
CPC Classifications
B; B65; B65D; B65D11/00; B65D11/18; B65D11/1866; B65D11/1873; B65D11/20; B65D11/22; B65D11/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |