US2203589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of wood
Assignee: AG Spalding and Bros Inc
•
Filing: 1937-05-13
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Granted: 1940-06-04
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Expires: 1957-05-13
Abstract
No abstract record available.
Inventors
- 👤 Baymiller John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:30
CPC Classifications
A; A63; A63B; A63B59/00; A63B59/50; A63B59/52; B; B27; B27K; B27K3/00; B27K3/02; B27K3/0278; B27K3/0292; B27K3/52; B27K5/00; B27K5/02; B27K5/04; A63B2102/00; A63B2102/18; A63B2209/00; A63B59/51
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) | 1943-06-04 | 1943-12-04 | 1944-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-04 | 1947-12-04 | 1948-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-04 | 1951-12-04 | 1952-06-04 | $7700.00 | Window Closed / Lapsed |