Patent US1962792A successfully refreshed from Google Patents.
US1962792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the hydrogenation of hydrocarbons
Assignee: Individual
•
Filing: 1932-01-07
•
Granted: 1934-06-12
•
Expires: 1952-01-07
Abstract
No abstract record available.
Inventors
- 👤 Brown Van Voorhees
- 👤 Steffen Erich
- 👤 Leon W Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:51
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/002; C10G1/006
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) | 1937-06-11 | 1937-12-11 | 1938-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-06-11 | 1941-12-11 | 1942-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-06-11 | 1945-12-11 | 1946-06-12 | $7700.00 | Window Closed / Lapsed |