US2905973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating pith from fibers
Assignee: Individual
•
Filing: 1956-04-16
•
Granted: 1959-09-29
•
Expires: 1976-04-16
Abstract
No abstract record available.
Inventors
- 👤 William J Nolan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:03
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/02; D21D5/04
Claims Analysis
Total Claims: 0
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |