US2632466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage tank construction
Assignee: Standard Oil Development Co
•
Filing: 1949-01-13
•
Granted: 1953-03-24
•
Expires: 1969-01-13
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth B Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:39
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7036; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US841176A
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US969997A
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US1493843A
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US1497425A
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US1548400A
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US1608224A
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US2174354A
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US2165889A
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US2307616A
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US2410338A
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US2506927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |