Patent US2360010A successfully refreshed from Google Patents.
US2360010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the sulphonation of alpha - aminoanthraquinone compounds
Assignee: Honeywell International Inc
•
Filing: 1942-01-05
•
Granted: 1944-10-10
•
Expires: 1962-01-05
Abstract
No abstract record available.
Inventors
- 👤 Ogilvie James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:29
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/22; C09B1/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-10 | 1948-04-10 | 1948-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-10 | 1952-04-10 | 1952-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-10 | 1956-04-10 | 1956-10-10 | $7700.00 | Window Closed / Lapsed |