US2823159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood treatment
Assignee: Chapman Chemical Co
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Filing: 1955-12-22
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Granted: 1958-02-11
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Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 James L A Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:01
CPC Classifications
A; A01; A01N; A01N25/00; B; B27; B27K; B27K3/00; B27K3/02; B27K3/0278; B27K3/34; B27K3/36; B27K3/38; B27K3/40; B27K3/50; B27K5/00; B27K5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COMPOSITION COMPRISNG PENTACHLOROPHENOL AND AN AMIDO COMPOUND, DISSOLVED IN A COMMON SOLVENT, THE CENCENTRATION OF THE PENTACHLOROPHENOL BEING 1% TO 30% AND THE CENTRATION OF THE AMIDO COMPOUND BEING 1/2 TO 10 TIMES THE PENTACHLOROPHENOL CONCENTRATION, SAID AMIDO COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULAE
Claim 2
Dependent Claim
51 words
A COMPOSITION COMPRISNG PENTACHLOROPHENOL AND AN AMIDO COMPOUND, DISSOLVED IN A COMMON SOLVENT, THE CENCENTRATION OF THE PENTACHLOROPHENOL BEING 1% TO 30% AND THE CENTRATION OF THE AMIDO COMPOUND BEING 1/2 TO 10 TIMES THE PENTACHLOROPHENOL CONCENTRATION, SAID AMIDO COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULAE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |