US2982333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax-impregnated corrugated paperboard construction and method for manufacturing wax impregnated corrugated paperboard
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1959-01-07
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Granted: 1961-05-02
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Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 John R Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:22
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2886; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B65D65/403; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US591299A
Cited
GB189722804A
Cited
US1199508A
Cited
US1408746A
Cited
US2099301A
Cited
US2341845A
Cited
US2610136A
Cited
US2568349A
Cited
US2824037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |