US3454565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel indanones
Assignee: Wyeth Holdings LLC
•
Filing: 1966-10-05
•
Granted: 1969-07-08
•
Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Sidney Robert Safir
- 👤 Richard Preston Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:46
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/753; C07C49/755; C07C45/00; C07C45/45; C07C45/46; C07C45/61; C07C45/63; C07C45/67; C07C45/68; C07C47/00; C07C47/38; C07C47/47
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THOSE REPRESENTED BY THE FOLLOWING FORMULA:
Claim 3
Dependent Claim
7 words
THE COMPOUND ACCORDING TO CLAIM 1; 2-(3-PYRRODIN1-YLMETHYLENE)-5,6,7-TRIMETHOXY-1-INDANONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |