Patent US3579413A successfully refreshed from Google Patents.
US3579413A
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Corrugated board construction
Assignee: Monsanto Co
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Filing: 1966-01-03
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Granted: 1971-05-18
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Expires: 1986-01-03
Abstract
Abstract CORRUGATED BOARD MATERIALS HAVING IMPROVED PROPERTIES ARE MADE UTILIZING A CORRUGATED SHEET COMPRISING A LAMINATE OF AT LEAST TWO CORRUGATED SHEETS LAMINATED TOGETHER WITH AN ASPHALT-WAX COMPOSITION. THE COMPOSITION IS COMPRISED OF 80 TO 97 WEIGHT PERCENT ASPHALT AND 3 TO 20 WEIGHT PERCENT PETROLEUM DERIVED WAX. THE COMPOSITION HAS A SOFTENING POINT OF FROM 170 TO 230*F., A PENTRATION AT 32*F., 200 GRAMS, 60 SECONDS OF 15 TO 30 MM/10, A PENTRATION AT 77*F., 100 GRAMS, 5 SECONDS OF 25 TO 45 MM./10, A PENETRATION AT 115*F., 50 GRAMS, 5 SECONDS OF 40 TO 70 MM./10 AND A VISCOSITY (SAYBOLT FUROL) AT 375*F. OF 25 TO 250 SECONDS.
Inventors
- 👤 Russell E Koons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:36
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/40; B65D65/403; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/24727; Y10T428/31504; Y10T428/31815; Y10T428/31819; Y10T428/31823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |