US3249640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylsulfonyl phenols
Assignee: Procter and Gamble Co
•
Filing: 1962-05-07
•
Granted: 1966-05-03
•
Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Markgraf John Hodge
- 👤 Taylor Edward Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:01
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; C; C07; C07C; C07C309/00; C07C309/78; C07C309/86; C07C309/87; C07C313/00; C07C313/02; C07C313/04; C07C317/00; C07C317/16; C07C317/22; C11; C11D; C11D1/00; C11D1/002; C11D1/66; C11D1/755; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/48; A61Q; A61Q19/00; A61Q19/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
COMPOUNDS HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
5 words
COMPOUNDS HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2017004A
Cited
GB597099A
Cited
US2836587A
Cited
US2805964A
Cited
US2990375A
Cited
US3000831A
Cited
US2968678A
Cited
US3057925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |