US3403200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamide and polysulfonamide azo dyes
Assignee: GE Chemicals Inc
•
Filing: 1966-03-30
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Granted: 1968-09-24
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 John J Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:59
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/30; C08G69/00; C08G69/02; C08G69/26; Y; Y10; Y10S; Y10S534/00; Y10S534/03
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |