US3377337A
Expired / Lapsed
US
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Monoazo dyes for metal-modified polyolefin materials
Assignee: Sumitomo Chemical Co Ltd
•
Filing: 1965-04-16
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Granted: 1968-04-09
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Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 Sugiyama Hiroshi
- 👤 Ikeda Takuo
- 👤 Chinuki Takashi
- 👤 Otsuka Hideo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:12
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/79; D06P3/795; C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3437; C09; C09B; C09B45/00; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2283220A
Cited
GB800144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |