Patent US3514453A successfully refreshed from Google Patents.
US3514453A
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US
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1-aralkyl-3,3-disubstituted-2-vinylene-3h-indole compounds
Assignee: AUDLEY L CAIN
•
Filing: 1967-06-22
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Granted: 1970-05-26
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Expires: 1987-06-22
Abstract
No abstract record available.
Inventors
- 👤 Sydney M Spatz
- 👤 Audley L Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:14
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/14; C09B23/145; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/08; C09B23/0008; C09B23/0025; C09B23/005; C09B23/0058; C09B23/10; C09B23/105; C09B23/143
Claims Analysis
Total Claims: 0
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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) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |