US2969170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined wood and corrugated paper board structures
Assignee: Tri Wall Containers Inc
•
Filing: 1957-09-04
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Granted: 1961-01-24
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Expires: 1977-09-04
Abstract
No abstract record available.
Inventors
- 👤 Edmund H Waldorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:52
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/64; B65D19/00; B65D19/0004; B65D19/0006; B65D19/0008; B65D19/002; B65D19/0024; B65D19/0026; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00019; B65D2519/00049; B65D2519/00064; B65D2519/00258; B65D2519/00283; B65D2519/00288; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00333; B65D2519/00547; B65D2519/00552; B65D2519/00572; B65D2585/00; B65D2585/68; B65D2585/6802; B65D2585/6815; B65D2585/682; B65D2585/6835; B65D2585/6842
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |