US3519675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1,2-diphenyl-3,4-dihydronaphthalenes and 2,3-diphenylindenes
Assignee: Pharmacia and Upjohn Co
•
Filing: 1966-10-10
•
Granted: 1970-07-07
•
Expires: 1986-10-10
Abstract
No abstract record available.
Inventors
- 👤 Daniel Lednicer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/45; C07C45/46; C07C321/00; C07C323/00; C07C39/00; C07C39/23; C07C45/61; C07C45/67; C07C45/68; C07C45/72; C07C45/74; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/72; C07C59/76; C07C59/90; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/32; C07D317/34; C07D317/36; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2944078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |