Patent US3420395A successfully refreshed from Google Patents.
US3420395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray construction
Assignee: Packaging Corp of America
•
Filing: 1966-09-26
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Granted: 1969-01-07
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Expires: 1986-09-26
Abstract
No abstract record available.
Inventors
- 👤 James W Boyd
- 👤 Clifford H Bessett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:02
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2014851A
Cited
US1990145A
Cited
US1983325A
Cited
US2936922A
Cited
US3120901A
Cited
US3343702A
Cited
US3334765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |