US3067191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
chschohchaoh
Assignee: —
•
Filing: —
•
Granted: 1962-12-04
•
Expires: 1979-12-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:37
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/02; C09B45/14; C09B45/16; C09B45/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METALLIZED MONO-AZO DYSTUFF COMPLEX, FREE FROM SULFONIC ACID AND CARBOXYLIC ACID GROUPS, WHEREIN THERE IS AN AVERAGE OF 1 TO 1.2 ATOMS OF HEAVY METAL PER 2 MOLECULES OF MONO-AZO DYESTUFF, ONE OF THE MONO-AZO DYESTUFFS HAVING THE FORMULA;
Claim 2
Dependent Claim
40 words
A METALLIZED MONO-AZO DYSTUFF COMPLEX, FREE FROM SULFONIC ACID AND CARBOXYLIC ACID GROUPS, WHEREIN THERE IS AN AVERAGE OF 1 TO 1.2 ATOMS OF HEAVY METAL PER 2 MOLECULES OF MONO-AZO DYESTUFF, ONE OF THE MONO-AZO DYESTUFFS 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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |