US3476707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of high-ortho novolak resins
Assignee: Monsanto Chemicals Australia Ltd
•
Filing: 1967-12-15
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Granted: 1969-11-04
•
Expires: 1987-12-15
Abstract
No abstract record available.
Inventors
- 👤 Harry M Culbertson
- 👤 Alan David Buchanan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:44
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2475587A
Cited
US3332911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |