US2655189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of fibrous elements from woody material
Assignee: Individual
•
Filing: 1949-02-28
•
Granted: 1953-10-13
•
Expires: 1969-02-28
Abstract
No abstract record available.
Inventors
- 👤 James D A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:59
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/02; Y; Y10; Y10T; Y10T83/00; Y10T83/02; Y10T83/0304; Y10T83/768; Y10T83/7872; Y10T83/7876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351285A
Cited
US449097A
Cited
US495239A
Cited
US906318A
Cited
US1795064A
Cited
GB454623A
Cited
US1994137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |