US2553778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parasiticidal compositions containing reaction products of mercapto acetic acid esters and perchloromethylmercaptan
Assignee: Standard Oil Development Co
•
Filing: 1949-12-01
•
Granted: 1951-05-22
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Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Roger S Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:34
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
AS NEW CHEMICALS, THE REACTION PRODUCTS OF MERCAPTO ACETIC ACID ESTERS AND PERCHLOROMETHYLMERCAPTAN CORRESPONDING TO THE GENERAL FORMULA:
Claim 2
Dependent Claim
18 words
AS NEW CHEMICALS, THE REACTION PRODUCTS OF MERCAPTO ACETIC ACID ESTERS AND PERCHLOROMETHYLMERCAPTAN CORRESPONDING TO THE GENERAL FORMULA:
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |