US2715871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp press
Assignee: CANDIAN INTERNAT PAPER Co
•
Filing: 1954-02-04
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Granted: 1955-08-23
•
Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Rene E Dosne
- 👤 Percy L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:34
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/20; B30B9/207; D; D21; D21C; D21C9/00; D21C9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |