US3312664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxylated aminomethyldiphenyloxides
Assignee: Dow Chemical Co
•
Filing: 1964-07-02
•
Granted: 1967-04-04
•
Expires: 1984-07-02
Abstract
No abstract record available.
Inventors
- 👤 Bart J Bremmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:32
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3227
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN EPOXY RESIN HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN EPOXY RESIN HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |