Patent US3362953A successfully refreshed from Google Patents.
US3362953A
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Methine dyestuffs
Assignee: Bayer AG
•
Filing: 1964-05-08
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Granted: 1968-01-09
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Brack Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:10
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/10; C09B23/105; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C08K5/3417; C09B23/0008; C09B23/0041; C09B23/005; C09B23/0058; C09B57/00; C09B57/06; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927; Y10S8/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |