US2666726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making masked lignocellulosic material
Assignee: Fort James Corp
•
Filing: 1951-04-21
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Granted: 1954-01-19
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Expires: 1971-04-21
Abstract
No abstract record available.
Inventors
- 👤 Glengarry D King
- 👤 Russell V Harkema
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 07:28
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/24; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1852964A
Cited
US2137238A
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US2086187A
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US1999383A
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US2245169A
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US2219251A
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US2442422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |