Patent US3377386A successfully refreshed from Google Patents.
US3377386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of phenolic compounds
Assignee: Texaco Inc
•
Filing: 1964-12-10
•
Granted: 1968-04-09
•
Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Chafetz Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:26
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A METHOD OF PREPARING A PHENOLIC COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
10 words
A METHOD OF PREPARING A PHENOLIC COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
GB723454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |