Patent US2486091A successfully refreshed from Google Patents.
US2486091A
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Continuously forming fibrous material
Assignee: L V BOCKIUS
•
Filing: 1946-10-16
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Granted: 1949-10-25
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Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 Douglas D Adams
- 👤 Rollius Karl
- 👤 John D Risher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:19
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/0003; B31F1/0006; B31F1/0009; B31F1/0019; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/12; Y10T156/125; Y10T156/1317; Y10T156/1322; Y10T156/133
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) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |