US3475321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent dewaxing with a synergistic wax crystal modifier composition
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-11-14
•
Granted: 1969-10-28
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Richard O Henselman
- 👤 Harold N Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:29
CPC Classifications
C; C10; C10G; C10G21/00; C10G73/00; C10G73/02; C10G73/04
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) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |