US2945855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
10-(1-substituted-3-pyrrolidylmethyl) phenothiazines
Assignee: Mead Johnson and Co LLC
•
Filing: 1958-10-21
•
Granted: 1960-07-19
•
Expires: 1978-10-21
Abstract
No abstract record available.
Inventors
- 👤 Feldkamp Rolland Frederick
- 👤 Wu Yao Hua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:12
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE 10-(1-SUBSTITUTED-3-PYRROLIDYLMETHYL) PHENOTHIAZINE HAVING THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE 10-(1-SUBSTITUTED-3-PYRROLIDYLMETHYL) PHENOTHIAZINE HAVING THE FORMULA
References Cited (Backward Citations)
US2590125A
Cited
US2784185A
Cited
GB772179A
Cited
GB774882A
Cited
GB775280A
Cited
GB775279A
Cited
GB799573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |