US2650893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood preservation with dimethyl tetrachlorophthalate
Assignee: Pennsylvania Salt Manufacturing Co
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Filing: 1950-12-02
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Granted: 1953-09-01
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Expires: 1970-12-02
Abstract
No abstract record available.
Inventors
- 👤 Harry G Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:18
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/10; B; B27; B27K; B27K3/00; B27K3/34; B27K3/38; B27K3/40; Y; Y10; Y10S; Y10S428/00; Y10S428/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOSITION FOR TREATING WOOD TO PROTECT THE WOOD AGAINST TERMITE ATTACK COMPRISING DIMETHYL TETRACHLOROPHYHALATE, AN ORGANIC SOLVENT FOR SAID DIMETHYL TETRACHLOROPHTHALATE, AND WATER, SAID WATER BEING PRESENT IN AMOUNT IN EXCESS OF SAID DIMETHYL TETRACHLOROPHTHALATE.
Claim 2
Dependent Claim
36 words
A COMPOSITION FOR TREATING WOOD TO PROTECT THE WOOD AGAINST TERMITE ATTACK COMPRISING DIMETHYL TETRACHLOROPHYHALATE, AN ORGANIC SOLVENT FOR SAID DIMETHYL TETRACHLOROPHTHALATE, AND WATER, SAID WATER BEING PRESENT IN AMOUNT IN EXCESS OF SAID DIMETHYL TETRACHLOROPHTHALATE.
References Cited (Backward Citations)
US2062403A
Cited
US2462601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |