US2708675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorotoloxy-ethyl sulfates
Assignee: Dow Chemical Co
•
Filing: 1952-11-03
•
Granted: 1955-05-17
•
Expires: 1972-11-03
Abstract
No abstract record available.
Inventors
- 👤 Harold R Slagh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:05
CPC Classifications
C; C07; C07C; C07C305/00; C07C305/02; C07C305/04; C07C305/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
2-(4-CHLORO-O-TOLOXY)ETHYL SULFATES HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
2-(4-CHLORO-O-TOLOXY)ETHYL SULFATES HAVING THE FORMULA
References Cited (Backward Citations)
US1644524A
Cited
US2573769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |