US1926676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing hydrocarbons
Assignee: Newport Industries Inc
•
Filing: 1929-03-18
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Granted: 1933-09-12
•
Expires: 1949-03-18
Abstract
No abstract record available.
Inventors
- 👤 Gubelmann Ivan
- 👤 Clyde O Henke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:35
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/20; C07C1/207; C07C2521/00; C07C2521/18; C07C2523/00; C07C2523/06; C07C2523/16; C07C2523/20; C07C2523/22; C07C2523/24; C07C2523/26; C07C2523/28; C07C2523/32; C07C2523/34; C07C2523/70; C07C2523/72
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) | 1936-09-11 | 1937-03-13 | 1937-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-11 | 1941-03-13 | 1941-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-11 | 1945-03-13 | 1945-09-12 | $7700.00 | Window Closed / Lapsed |