US2624462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for siphoning water from oil treating structure
Assignee: Individual
•
Filing: 1950-02-10
•
Granted: 1953-01-06
•
Expires: 1970-02-10
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:45
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US569016A
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US745519A
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US835216A
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US1748541A
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US2025883A
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US2384222A
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US2457959A
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US2398338A
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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) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |