US3548659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for measuring the liquid contents of containers
Assignee: Mission Systems Wimborne Ltd
•
Filing: 1968-05-22
•
Granted: 1970-12-22
•
Expires: 1988-05-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick Albert Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:13
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/68; G01F23/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2354945A
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US2598835A
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US2771774A
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US2968172A
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US3049011A
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US3155792A
Cited
US3258968A
Cited
US3304381A
Cited
US3343152A
Cited
US3389603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |