US2923703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diazonium compounds
Assignee: Kalvar Corp
•
Filing: 1954-12-28
•
Granted: 1960-02-02
•
Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert J Bruni
- 👤 Morgan Clarence Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:55
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/52; G03C1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A DIAZONIUM COMPOUND HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
8 words
A DIAZONIUM COMPOUND HAVING THE FOLLOWING GENERAL 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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |