Patent US2869239A successfully refreshed from Google Patents.
US2869239A
Expired / Lapsed
US
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Tank gauging apparatus
Assignee: SPAND AND JURS CO
•
Filing: 1955-02-24
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Granted: 1959-01-20
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Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Peter C Jurs
- 👤 Joseph P Van Overveen
- 👤 Blake Robert Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:51
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US51592A
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US233450A
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US314207A
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US517405A
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US529378A
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US564218A
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US1031302A
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US1622785A
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US2131868A
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US2265736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |