US3384618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing synthetic resins from aromatic glycols and a phenol
Assignee: Individual
•
Filing: 1966-12-08
•
Granted: 1968-05-21
•
Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Imoto Minoru
- 👤 Huang Chingyun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G14/00; C08G14/02; C08G14/04; C08G16/00; C08G16/02; C08G16/0212; C08G16/0218; C08G8/00; C08G8/04; C08G8/08; C08G8/10; C08G8/12; C08G8/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1705494A
Cited
US2433852A
Cited
US2954360A
Cited
US2840542A
Cited
US3062895A
Cited
US3116265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |