US2622302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making composition fiber panels
Assignee: ROCKWOOD Corp
•
Filing: 1948-07-26
•
Granted: 1952-12-23
•
Expires: 1968-07-26
Abstract
No abstract record available.
Inventors
- 👤 Blecko Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:57
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/52
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US306900A
Cited
US857143A
Cited
US1376731A
Cited
US1744309A
Cited
US2096326A
Cited
US2066846A
Cited
US2271443A
Cited
US2421721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |