US3799870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lead trap
Assignee: Mobil Oil AS
•
Filing: 1973-03-09
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Granted: 1974-03-26
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Expires: 1993-03-09
Abstract
Abstract IN PROVIDING LEAD FREE GASOLINE FROM GASOLINE WHICH MAY BECOME CONTAMINATED DURING TRANSPORTATION OR STORAGE IN VESSELS ALSO USED FOR TRANSPORT AND STORAGE OF LEADED GASOLINE; A LEAD TRAP IS PROVIDED AT THE POINT OF DISPENSING TO MOTOR VEHICLES CHARACTERIZED BY A MATERIAL HAVING SELECTIVE CHEMISORPTION PROPERTIES WITH RESPECT TO TETRAALKYL LEAD
Inventors
- 👤 I Heilweil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:11
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/76; C; C10; C10G; C10G25/00; C10G25/02
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) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |