US2847142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floatable partition for liquid storage tanks
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-07-08
•
Granted: 1958-08-12
•
Expires: 1974-07-08
Abstract
No abstract record available.
Inventors
- 👤 John H Mcclintock
- 👤 Jr Robert W Martz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:44
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1674038A
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US1819418A
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US2014264A
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FR735793A
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US2023308A
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GB487774A
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US2244782A
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US2330366A
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US2359416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |