US2090484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized hydrocarbons
Assignee: Individual
•
Filing: 1936-01-27
•
Granted: 1937-08-17
•
Expires: 1956-01-27
Abstract
No abstract record available.
Inventors
- 👤 Iwan I Ostromislensky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:04
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1835; C10L1/20; C10L1/203; C10L1/22; C10L1/222; C10L1/223; C10L1/2235; C10L1/226; C10L1/232; C10L1/24; C10L1/2406; C10L1/2412; C10L1/2443; C10L1/245
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) | 1940-08-16 | 1941-02-15 | 1941-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-08-16 | 1945-02-15 | 1945-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-08-16 | 1949-02-15 | 1949-08-17 | $7700.00 | Window Closed / Lapsed |