US3434901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing corrugated board
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1965-10-23
•
Granted: 1969-03-25
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Darrell J L Griffiths
- 👤 Kenyon W Miller
- 👤 Willem A Nikkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:49
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2804; C; C09; C09J; C09J103/00; C09J103/02; C08; C08L; C08L2666/00; C08L2666/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1851709A
Cited
US2102937A
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US2051025A
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US2212557A
Cited
US2197754A
Cited
US2236056A
Cited
US2346644A
Cited
US2496440A
Cited
US3151996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |