Patent US2475768A successfully refreshed from Google Patents.
US2475768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of extruding paper to form artificial fuel logs
Assignee: WILLIAMS BAUER CORP
•
Filing: 1947-11-10
•
Granted: 1949-07-12
•
Expires: 1967-11-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph O Williams
- 👤 Bredlik Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:34
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/002; F24C3/006; D; D21; D21J; D21J3/00; Y; Y10; Y10S; Y10S100/00; Y10S100/903
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2076315A
Cited
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 |