US2680767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pantothenylaminoethyl sulfur compounds and method for obtaining the same
Assignee: Parke Davis and Co LLC
•
Filing: 1950-10-24
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Granted: 1954-06-08
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Expires: 1970-10-24
Abstract
No abstract record available.
Inventors
- 👤 Esmond E Snell
- 👤 Eugene L Wittle
- 👤 James A Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:43
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/45; C07C233/46
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
AN ORGANIC SULFUR COMPOUND OF THE CLASS CONSISTING OF A SULFIDE (Y-S-)H AND DISULFIDE (Y-S-)2 WHERE Y IS A RADICAL OF 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) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |