US2578804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic-type log debarker having centripetally directed jets mounted in circumferential groups radially adjustable for different size logs
Assignee: Worthington Pump and Machinery Corp
•
Filing: 1946-04-30
•
Granted: 1951-12-18
•
Expires: 1966-04-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Holveck
- 👤 Arthur G Rockwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
B; B27; B27L; B27L1/00; B27L1/14
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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |