US3405079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of an alkylated amino resin and an aromatic hydrocarbonformaldehyde resin
Assignee: Japan Gas Chemical Co Inc
•
Filing: 1966-03-25
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Granted: 1968-10-08
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Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Huang Ching Yun
- 👤 Ueno Kazuo
- 👤 Kawamura Shinji
- 👤 Tanabe Hisanori
- 👤 Masawaki Keizo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:55
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/34; C08L21/00; Y; Y10; Y10S; Y10S156/00; Y10S156/91
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |