US1226041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of mineral oils and residues for the production of lower-boiling hydrocarbons.
Assignee: Individual
•
Filing: 1914-05-13
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Granted: 1917-05-15
•
Expires: 1934-05-13
Abstract
No abstract record available.
Inventors
- 👤 Carter White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:54
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/002; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04
Claims Analysis
Total Claims: 0
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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) | 1920-05-14 | 1920-11-13 | 1921-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-05-14 | 1924-11-13 | 1925-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-05-14 | 1928-11-13 | 1929-05-15 | $7700.00 | Window Closed / Lapsed |