US3370023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable composition comprising rubber and the co-condensation product of an aromatic hydrocarbon-aldehyde resin and a terpene phenol
Assignee: Japan Gas Chemical Co Inc
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Filing: 1964-07-17
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Granted: 1968-02-20
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Expires: 1984-07-17
Abstract
No abstract record available.
Inventors
- 👤 Huang Ching Yun
- 👤 Ueno Kazuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:15
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/28; C08G14/00; C08G14/02; C08G14/04; C08L; C08L21/00; C08L61/00; C08L61/34
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |