US3070494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood preservative
Assignee: Beazer East Inc
•
Filing: 1960-07-08
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Granted: 1962-12-25
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Expires: 1980-07-08
Abstract
No abstract record available.
Inventors
- 👤 Irving S Goldstein
- 👤 William J Oberley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:24
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/34; B27K3/38; B27K3/40; B27K3/16; B27K3/26; B27K3/30; B27K3/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF TREATING WOOD WITH A NON-STAINING, NON-SLUDGING WOOD PRESERVING COMPOSITION, COMPRISING IMPREGNATING WOOD WITH 1-10% AQUEOUS SOLUTION OF A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 1 PART SODIUM PENTACHLOROPHENATE, ABOUT 2 PARTS OF AN ALKALI METAL ARSENATE, ABOUT 3 PARTS OF A WATER-SOLUBLE CHROMIUM SALT, AND ABOUT 2 PARTS OF AN ALKALI METAL FLUORIDE, SAID SOLUTION HAVING A PH OF 7.2-8.5.
Claim 2
Independent Claim
62 words
A METHOD OF TREATING WOOD WITH A NON-STAINING, NON-SLUDGING WOOD PRESERVING COMPOSITION, COMPRISING IMPREGNATING WOOD WITH 1-10% AQUEOUS SOLUTION OF A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 1 PART SODIUM PENTACHLOROPHENATE, ABOUT 2 PARTS OF AN ALKALI METAL ARSENATE, ABOUT 3 PARTS OF A WATER-SOLUBLE CHROMIUM SALT, AND ABOUT 2 PARTS OF AN ALKALI METAL FLUORIDE, SAID SOLUTION HAVING A PH OF 7.2-8.5.
References Cited (Backward Citations)
US1465603A
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US1544013A
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US1957873A
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US2012976A
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US2322633A
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US2344019A
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US2784139A
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US2895848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |