US3437461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for blending gasolines
Assignee: EIDP Inc
•
Filing: 1965-05-07
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Granted: 1969-04-08
•
Expires: 1985-05-07
Abstract
No abstract record available.
Inventors
- 👤 Richard Alan Hoffman
- 👤 Joe Turner May
- 👤 Frederick William Meckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/26; G01N33/28; G01N33/2817; Y; Y10; Y10S; Y10S44/00; Y10S44/903; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3238765A
Cited
US3312102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |