US1781934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of distilling material and cracking oil
Assignee: Individual
•
Filing: 1925-06-08
•
Granted: 1930-11-18
•
Expires: 1945-06-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick T Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:01
CPC Classifications
C; C10; C10B; C10B1/00; C10B1/02; C10B1/04; Y; Y10; Y10S; Y10S208/00; Y10S208/951; Y10S48/00; Y10S48/02
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) | 1933-11-17 | 1934-05-19 | 1934-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-17 | 1938-05-19 | 1938-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-17 | 1942-05-19 | 1942-11-18 | $7700.00 | Window Closed / Lapsed |