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Patent US2895848A successfully refreshed from Google Patents.
US2895848A
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Method of preserving the wooden structure of cooling towers by impregnating
Assignee: Marley Co LLC
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Filing: 1955-06-20
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Granted: 1959-07-21
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Expires: 1975-06-20
Abstract
No abstract record available.
Inventors
- 👤 Donald R Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:14
CPC Classifications
B; B27; B27K; B27K1/00; B27K3/00; B27K3/16; B27K3/32; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S428/00; Y10S428/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US46518A
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US668227A
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US709799A
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US802680A
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US1291696A
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US1398065A
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US2012975A
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US2108017A
Cited
GB596317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |