US3115280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for continuous delivery of metered amounts of liquid
Assignee: Arthur D Little Inc
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Filing: 1961-06-07
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Granted: 1963-12-24
•
Expires: 1981-06-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Battista
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:51
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/145; A61M5/155; A61M5/178; A61M5/20; A61M5/2046; F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/14; G01N30/00; G01N30/90; G01N30/91; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; A61M2005/14204; G01N30/02; G01N30/26; G01N30/28; G01N30/32; G01N2030/326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
APPARATUS FOR DELIVERING SMALL QUANTITIES OF A LIQUID, COMPRISING A CLOSED CONTAINER, A FIRST LIQUID AND A SECOND LIQUID CONTAINER, A FLEXIBLE PARTITION IN THE FORM OF A COLLAPSIBLE BAG SEPARATING SAID FIRST LIQUID AND SAID SECOND LIQUID AND IMPERMEABLE TO EACH, SAID FIRST LIQUID BEING ELECTROLYZABLE INTO HYDROGEN AND OXYGEN BY THE PASSAGE OF AN ELECTRIC CURRENT THERETHROUGH, A PAIR OF ELECTRODES PROJECTING THROUGH A WALL OF SAID CONTAINER INTO SAID FIRST LIQUID, A DELIVERY TUBE PASSING THROUGH A WALL OF SAID CONTAINER AND ARRANGED TO PROVIDE COMMUNICATION BETWEEN SAID SECOND LIQUID AND THE OUTSIDE OF SAID CONTAINER, MEANS FOR SUPPLYING ELECTRIC CURRENT ACROSS SAID ELECTRODES, WHEREBY TO CAUSE EVOLUTION OF HYDROGEN AND OXYGEN FROM SAID FIRST LIQUID TO FORM A BODY OF GAS WITHIN SIAD CONTAINER, THEREBY CAUSING FLUID PRESURE TO BE EXERTED UPON SAID FLEXIBLE PARTITION AND THUS
Claim 2
Dependent Claim
141 words
APPARATUS FOR DELIVERING SMALL QUANTITIES OF A LIQUID, COMPRISING A CLOSED CONTAINER, A FIRST LIQUID AND A SECOND LIQUID CONTAINER, A FLEXIBLE PARTITION IN THE FORM OF A COLLAPSIBLE BAG SEPARATING SAID FIRST LIQUID AND SAID SECOND LIQUID AND IMPERMEABLE TO EACH, SAID FIRST LIQUID BEING ELECTROLYZABLE INTO HYDROGEN AND OXYGEN BY THE PASSAGE OF AN ELECTRIC CURRENT THERETHROUGH, A PAIR OF ELECTRODES PROJECTING THROUGH A WALL OF SAID CONTAINER INTO SAID FIRST LIQUID, A DELIVERY TUBE PASSING THROUGH A WALL OF SAID CONTAINER AND ARRANGED TO PROVIDE COMMUNICATION BETWEEN SAID SECOND LIQUID AND THE OUTSIDE OF SAID CONTAINER, MEANS FOR SUPPLYING ELECTRIC CURRENT ACROSS SAID ELECTRODES, WHEREBY TO CAUSE EVOLUTION OF HYDROGEN AND OXYGEN FROM SAID FIRST LIQUID TO FORM A BODY OF GAS WITHIN SIAD CONTAINER, THEREBY CAUSING FLUID PRESURE TO BE EXERTED UPON SAID FLEXIBLE PARTITION AND THUS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |