US2811219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for separating air or gas from motor fuel
Assignee: Individual
•
Filing: 1955-12-09
•
Granted: 1957-10-29
•
Expires: 1975-12-09
Abstract
No abstract record available.
Inventors
- 👤 Wenzl Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:59
CPC Classifications
B; B07; B07B; B07B7/00; B07B7/08; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0057; B64; B64D; B64D37/00; B64D37/34; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/309; Y10T137/3099; Y10T137/7287; Y10T137/7293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511967A
Cited
US2231341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |