US3152114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azo dyestuffs
Assignee: Bayer AG
•
Filing: 1960-01-26
•
Granted: 1964-10-06
•
Expires: 1980-01-26
Abstract
No abstract record available.
Inventors
- 👤 Siegel Edgar
- 👤 Soll Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:25
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
AN AZO DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
6 words
AN AZO DYESTUFF OF THE FORMULA
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |