Patent US3298668A successfully refreshed from Google Patents.
Patent US3484320A successfully refreshed from Google Patents.
US3484320A
Expired / Lapsed
US
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Machines for the making of corrugated board
Assignee: Parsons and Whittemore Inc
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Filing: 1965-09-01
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Granted: 1969-12-16
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Expires: 1985-09-01
Abstract
No abstract record available.
Inventors
- 👤 Charles Henri Auguste David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:22
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127292A
Cited
US1858375A
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US2102937A
Cited
US2384676A
Cited
US3300359A
Cited
US3204602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |