US3038336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for measuring height and density of liquids
Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1962-06-12
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Melville F Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:05
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/18; G01F23/16; G01F23/164; G01N; G01N9/00; G01N9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB198532A
Cited
US1946175A
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US2360886A
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US2447233A
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US2507501A
Cited
US2521477A
Cited
US2692501A
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US2683989A
Cited
US2696738A
Cited
US2613535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |