US3482447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank level gauge
Assignee: Sunoco Inc
•
Filing: 1967-10-16
•
Granted: 1969-12-09
•
Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 John D Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:03
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/40; G01F23/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US495523A
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US954550A
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US1171632A
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US1464476A
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US1813244A
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US2158936A
Cited
US2629261A
Cited
US3148542A
Cited
US3099158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |