Patent US2773096A successfully refreshed from Google Patents.
US2773096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(4-hydroxyphenyl)-3-phenylsalicylamide
Assignee: Bayer Corp
•
Filing: 1953-02-12
•
Granted: 1956-12-04
•
Expires: 1973-02-12
Abstract
No abstract record available.
Inventors
- 👤 Sahyun Melville
- 👤 John A Faust
- 👤 Leonard H Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:39
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
N-(4-HYDROXYPHENYL)-3-PHENYLSALICYLAMIDE HAVING THE FORMULA:
Claim 2
Dependent Claim
4 words
N-(4-HYDROXYPHENYL)-3-PHENYLSALICYLAMIDE HAVING THE FORMULA:
References Cited (Backward Citations)
US2179239A
Cited
US2376743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |