US3217425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugator
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1962-09-25
•
Granted: 1965-11-16
•
Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Willem A Nikkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:10
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/285
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
APPARATUS FOR THE TYPE DESCRIBED COMPRISING: (A) MEANS FOR CONTINUOUSLY BONDING TOGETHER IN COEXTENSIVE RELATIONSHIP A PLURALITY OF CORRUGATED BOARD COMPONENTS OF INDEFINITE LENGTH, (B) MEANS FOR PREHEATING EACH OF SAID CORRUGATED BOARD COMPONENTS PRIOR TO THEIR ASSEMBLY, (C) MEAN FOR SENSING WARPAGE OF SAID CORRUGATED BOARD COMPONENTS SUBSEQUENT TO THEIR ASSEMBLY AND GENERATING SIGNALS PROPORTIONAL TO SAID WARPAGE,
References Cited (Backward Citations)
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US2166379A
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US2141403A
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US2429482A
Cited
US2593708A
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US2724903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |