US2430641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating lumber and other wood products
Assignee: GEN TIMBER SERVICE Inc
•
Filing: 1944-10-06
•
Granted: 1947-11-11
•
Expires: 1964-10-06
Abstract
No abstract record available.
Inventors
- 👤 Neal T Mackenzie
- 👤 Harry E Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:44
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/04; B27K3/0278; B27K3/34; B27K3/44; B27K3/48; B27K5/00; B27K5/001
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) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |