Patent US3535289A successfully refreshed from Google Patents.
US3535289A
Expired / Lapsed
US
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Epoxy resin composition and its production
Assignee: Nitto Denko Corp
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Filing: 1967-03-10
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Granted: 1970-10-20
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Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Fumihiko Kato
- 👤 Mitsuo Yoshihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:48
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/02; C08G59/12; C08G59/20; C08G59/22
Claims Analysis
Total Claims: 0
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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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |