US2361337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized lead alkyl and aviation gasoline containing it
Assignee: Shell Development Co
•
Filing: 1942-05-05
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Granted: 1944-10-24
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Expires: 1962-05-05
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/103; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/30; C10L1/305; C10L1/306
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) | 1947-10-24 | 1948-04-24 | 1948-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-24 | 1952-04-24 | 1952-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-24 | 1956-04-24 | 1956-10-24 | $7700.00 | Window Closed / Lapsed |