US2475868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary die creasing mechanism for corrugated paperboard
Assignee: Fibreboard Products Inc
•
Filing: 1945-04-13
•
Granted: 1949-07-12
•
Expires: 1965-04-13
Abstract
No abstract record available.
Inventors
- 👤 Nels A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:03
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/59; B31B50/592; B31B50/25; B31B50/254
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2379127A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |