US3518326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resins derived from n - 3 - oxohydrocarbon - substituted acrylamides
Assignee: Lubrizol Corp
•
Filing: 1969-05-19
•
Granted: 1970-06-30
•
Expires: 1989-05-19
Abstract
No abstract record available.
Inventors
- 👤 John W Forsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:29
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/20; C08L61/22; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/22; C08L67/00; C08L67/06
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |