US3453270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methine dyes for hydrophosic fibers
Assignee: Novartis Corp
•
Filing: 1966-02-25
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Granted: 1969-07-01
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Max A Weaver
- 👤 David J Wallace
- 👤 James M Straley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:15
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/34; C07D265/36; C09; C09B; C09B23/00; C09B23/0008; C09B23/005; C09B23/0058; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1429328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |