US2805257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-ethynyl-cyclohexylthiols
Assignee: Dow Chemical Co
•
Filing: 1956-08-02
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Granted: 1957-09-03
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Expires: 1976-08-02
Abstract
No abstract record available.
Inventors
- 👤 Fred J Lowes
- 👤 Roger F Monroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:05
CPC Classifications
C; C07; C07C; C07C321/00; C07C321/22; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y10; Y10S; Y10S507/00; Y10S507/933; Y10S507/934
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
11 words
A PROCESS FOR THE MANUFACTURE OF A COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
11 words
A PROCESS FOR THE MANUFACTURE OF A COMPOUND HAVING THE 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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |