US3126368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azodyestuffs containing a
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:50
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/465; C09B62/47; C09B62/473
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
MONOAZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
13 words
MONOAZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2339739A
Cited
US2657205A
Cited
US2743267A
Cited
US2906747A
Cited
FR1200241A
Cited
US2978289A
Cited
US2984659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |