Patent US2808978A successfully refreshed from Google Patents.
US2808978A
Expired / Lapsed
US
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Pad structure for paperboard containers
Assignee: Stone Container Corp
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Filing: 1955-10-12
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Granted: 1957-10-08
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Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ivan E Wright
- 👤 Vincent J Annel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/50; B65D5/5028; B65D5/5035; B65D5/5069; B65D5/5071; B65D5/5047; B65D5/505; B65D5/5054
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |