US2350845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of conditioning wood for preservative treatment
Assignee: Southern Wood Preserving Co
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Filing: 1940-09-19
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Granted: 1944-06-06
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Expires: 1960-09-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:26
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/0278; B27K1/00; B27K3/0207; B27K5/00; B27K5/001; B27K5/007; B27K5/0075; B27K5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-06 | 1947-12-06 | 1948-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-06 | 1951-12-06 | 1952-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-06 | 1955-12-06 | 1956-06-06 | $7700.00 | Window Closed / Lapsed |