US3371981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclohexenothiazole azo dyes dyeing of metallized polyolefins
Assignee: Toray Industries Inc
•
Filing: 1964-12-28
•
Granted: 1968-03-05
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Itoh Shinya
- 👤 Kubota Yoshitaka
- 👤 Lizuka Masao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:42
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D06P3/795; C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/16; C08K5/22; C08K5/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2865909A
Cited
US2984634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |