Patent US3137434A successfully refreshed from Google Patents.
US3137434A
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Carton
Assignee: Weyerhaeuser Co
•
Filing: 1961-04-19
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Granted: 1964-06-16
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Expires: 1981-04-19
Abstract
No abstract record available.
Inventors
- 👤 Robert A Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:42
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/24; B65D5/248; B65D5/36; B65D5/3607; B65D5/3635; B65D5/3642; B65D5/3657; B65D5/3664
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2217504A
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US2334425A
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US2401944A
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US2439959A
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US2629535A
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US2686001A
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US2768776A
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US2949219A
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US2846133A
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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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |