Patent US3481866A successfully refreshed from Google Patents.
US3481866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of lead from petroleum products employing aqueous iodine monochloride
Assignee: Innospec Ltd
•
Filing: 1967-10-17
•
Granted: 1969-12-02
•
Expires: 1987-10-17
Abstract
No abstract record available.
Inventors
- 👤 Ronald Moss
- 👤 Kenneth Campbell
- 👤 Samuel T Griffiths
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:16
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |