US3488376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isocyanatophenols
Assignee: Pharmacia and Upjohn Co
•
Filing: 1967-01-27
•
Granted: 1970-01-06
•
Expires: 1987-01-27
Abstract
No abstract record available.
Inventors
- 👤 Henri Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:21
CPC Classifications
C; C07; C07C; C07C265/00; C07C265/12; C07C275/00; C07C275/28; C07C275/32; C07C275/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2625561A
Cited
US2875226A
Cited
US2884435A
Cited
US2908704A
Cited
US3040082A
Cited
US3297726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |