Patent US2949151A successfully refreshed from Google Patents.
US2949151A
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Method and machine for making triple wall corrugated paper board
Assignee: Tri Wall Containers Inc
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Filing: 1956-08-16
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Granted: 1960-08-16
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Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 Goldstein Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:45
CPC Classifications
D; D21; D21J; D21J1/00; Y; Y10; Y10S; Y10S229/00; Y10S229/915; Y10S229/93; Y10S229/939; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/102; Y10T156/1023; Y10T156/1026; Y10T83/00; Y10T83/768; Y10T83/7809; Y10T83/783; Y10T83/7834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1914207A
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US2048684A
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US2187335A
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US2289909A
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US2345411A
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US2485020A
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US2550455A
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US2575257A
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US2637251A
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US2718348A
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US2727676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |