US2460258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank pump-out method
Assignee: Union Oil Company of California
•
Filing: 1944-11-20
•
Granted: 1949-01-25
•
Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Philip H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:53
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/2931; Y10T137/3003; Y10T137/3006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US83430A
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US506670A
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US904539A
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US1095827A
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US1345090A
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US1694471A
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US1723197A
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US1776498A
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US1960686A
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US2199874A
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US2364022A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |