US2964390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid measuring device
Assignee: Individual
•
Filing: 1955-01-31
•
Granted: 1960-12-13
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Dwight A Cummings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:47
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A DEVICE ADAPTED TO BE ACTUATED BY A SOURCE OF SUCTION PRESSURE FOR MEASURING A QUANTITY OF LIQUID THE COMBINATION OF: A TUBE, A PLATFORM, A HOUSING, MEANS FOR PIVOTALLY MOUNTING THE HOUSING UPON SAID PLATFORM, MEANS COMMUNICATING SAID TUBE AND THE INTERIOR OF SAID HOUSING, MEANS CONNECTING THE INTERIOR OF SAID HOUSING WITH SAID SOURCE OF SUCTION PRESSURE, AND A SECOND TUBE PROJECTING THROUGH SAID HOUSING AND HAVING AN OPENING THEREIN WITHIN SAID HOUSING.
Claim 2
Dependent Claim
76 words
IN A DEVICE ADAPTED TO BE ACTUATED BY A SOURCE OF SUCTION PRESSURE FOR MEASURING A QUANTITY OF LIQUID THE COMBINATION OF: A TUBE, A PLATFORM, A HOUSING, MEANS FOR PIVOTALLY MOUNTING THE HOUSING UPON SAID PLATFORM, MEANS COMMUNICATING SAID TUBE AND THE INTERIOR OF SAID HOUSING, MEANS CONNECTING THE INTERIOR OF SAID HOUSING WITH SAID SOURCE OF SUCTION PRESSURE, AND A SECOND TUBE PROJECTING THROUGH SAID HOUSING AND HAVING AN OPENING THEREIN WITHIN SAID HOUSING.
References Cited (Backward Citations)
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US2158102A
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US2271144A
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Cited
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Cited
US2677480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |