US2322633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood preservation
Assignee: Monsanto Chemicals Ltd
•
Filing: 1940-08-10
•
Granted: 1943-06-22
•
Expires: 1960-08-10
Abstract
No abstract record available.
Inventors
- 👤 Richard M Hitchenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:49
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/02; B; B27; B27K; B27K3/00; B27K3/52; B27K3/16; B27K3/20; B27K3/34; B27K3/38; B27K3/40
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) | 1946-06-21 | 1946-12-21 | 1947-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-21 | 1950-12-21 | 1951-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-21 | 1954-12-21 | 1955-06-22 | $7700.00 | Window Closed / Lapsed |