US3530188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bromomethylbenzophenones and related compounds
Assignee: Wyeth LLC
•
Filing: 1968-02-26
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Granted: 1970-09-22
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Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 Dong H Kim
- 👤 Arthur A Santilli
- 👤 Theodore S Sulkowski
- 👤 Scott J Childress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:15
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22; C07C; C07C45/00; C07C45/61; C07C45/63; C07C49/00; C07C49/76; C07C49/84; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/46
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) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |