Patent US1648295A successfully refreshed from Google Patents.
US1648295A
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Impregnated wood and process of treating wood
Assignee: MONTAN Inc
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Filing: 1926-01-26
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Granted: 1927-11-08
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Expires: 1946-01-26
Abstract
No abstract record available.
Inventors
- 👤 D Joseph R Coolidge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:43
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/34; B27K3/36; B27K3/02; B27K3/0278; B27K5/00; B27K5/001; B27K2240/00; B27K2240/70; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31844; Y10T428/31848; Y10T428/31851; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
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) | 1930-11-07 | 1931-05-09 | 1931-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-11-07 | 1935-05-09 | 1935-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-11-07 | 1939-05-09 | 1939-11-08 | $7700.00 | Window Closed / Lapsed |