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US3056265A
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US
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Underground storage
Assignee: Phillips Petroleum Co
•
Filing: 1958-06-16
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Granted: 1962-10-02
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Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Swinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
B; B65; B65G; B65G5/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US127917A
Cited
US2661062A
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US2803432A
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US2787125A
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US2772564A
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US2928247A
Cited
US2950601A
Cited
GB795096A
Cited
US2942424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |