US2866804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated esters of hydroxy isothiocyanates
Assignee: Bayer AG
•
Filing: 1955-12-28
•
Granted: 1958-12-30
•
Expires: 1975-12-28
Abstract
No abstract record available.
Inventors
- 👤 Nischk Gunther
- 👤 Holtschmidt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:14
CPC Classifications
C; C07; C07C; C07C331/00; C07C331/16; C07C331/28; C07C331/18; C07C331/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS COMPOUNDS, UNSATURATED ESTERS OF HYDROXY ISOTHIOCYANATES HAVING THE FORMULA
Claim 2
Dependent Claim
10 words
AS COMPOUNDS, UNSATURATED ESTERS OF HYDROXY ISOTHIOCYANATES HAVING THE FORMULA
References Cited (Backward Citations)
US2073363A
Cited
US2500855A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |