US2402331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wood
Assignee: EIDP Inc
•
Filing: 1941-09-06
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Granted: 1946-06-18
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Expires: 1961-09-06
Abstract
No abstract record available.
Inventors
- 👤 Hamline M Kvalnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:36
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/06; B05D7/08; B27; B27N; B27N7/00; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1804; C08F242/00; C08L; C08L91/00; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C08L2205/00; C08L2205/02
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) | 1949-06-17 | 1949-12-17 | 1950-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-06-17 | 1953-12-17 | 1954-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-06-17 | 1957-12-17 | 1958-06-18 | $7700.00 | Window Closed / Lapsed |