Patent US3254072A successfully refreshed from Google Patents.
US3254072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo quinoline dyestuffs
Assignee: Honeywell International Inc
•
Filing: 1963-02-28
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Granted: 1966-05-31
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Paul L Stright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:09
CPC Classifications
C; C09; C09B; C09B45/00; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
MONOAZO COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
MONOAZO COMPOUNDS HAVING 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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |