US2355553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating wood
Assignee: Individual
•
Filing: 1941-03-03
•
Granted: 1944-08-08
•
Expires: 1961-03-03
Abstract
No abstract record available.
Inventors
- 👤 Kermeth L Owens
- 👤 George K Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:32
CPC Classifications
B; B27; B27K; B27K5/00; B27K5/001; B27K2240/00; B27K2240/50; B27K5/02
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) | 1947-08-08 | 1948-02-07 | 1948-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-08 | 1952-02-07 | 1952-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-08 | 1956-02-07 | 1956-08-08 | $7700.00 | Window Closed / Lapsed |