US3407661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for totalizing liquid volumes in a plurality of containers
Assignee: Individual
•
Filing: 1967-08-04
•
Granted: 1968-10-29
•
Expires: 1987-08-04
Abstract
No abstract record available.
Inventors
- 👤 Walter T Knauth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:44
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/66; G01F23/665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US723040A
Cited
US1394336A
Cited
GB249825A
Cited
US2367087A
Cited
DE844671C
Cited
US2568361A
Cited
US2674128A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |