US2506911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump for tractor-drawn trailer tanks
Assignee: Phillips Petroleum Co
•
Filing: 1945-08-03
•
Granted: 1950-05-09
•
Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Harry R Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:07
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/22; B60P3/224; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6881; Y10T137/7039; Y10T137/8158; Y10T137/8593; Y10T137/86292; Y10T137/9029; Y10T137/9138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |