US3216251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid measuring apparatus
Assignee: Individual
•
Filing: 1963-05-21
•
Granted: 1965-11-09
•
Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 Hansen Kaj Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:32
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38; G01F23/00; G01F23/22; G01F23/24; G01F23/241; G03; G03B; G03B27/00; G03B27/72; G03B27/73; G03B27/735
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732100A
Cited
US2043035A
Cited
US2325695A
Cited
GB582155A
Cited
US2697939A
Cited
US3019649A
Cited
US3001399A
Cited
US3115038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |