US3514495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of 4-nitrostilbenes
Assignee: GAF Corp
•
Filing: 1968-07-05
•
Granted: 1970-05-26
•
Expires: 1988-07-05
Abstract
No abstract record available.
Inventors
- 👤 William R Ruby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:00
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/02; C07C303/22; B; B01; B01J; B01J31/00; B01J31/02; B01J31/0234; B01J31/0235; B01J31/0245; B01J31/0247; B01J31/26; B01J2231/00; B01J2231/40; B01J2231/42; B01J2231/4205; B01J27/00; B01J27/20; B01J27/232
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |