US3410664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titration apparatus
Assignee: United States Department of the Navy
•
Filing: 1965-10-29
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Granted: 1968-11-12
•
Expires: 1985-10-29
Abstract
No abstract record available.
Inventors
- 👤 George H Fielding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:30
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN APPARATUS FOR TITRATION WHICH COMPRISES: A FLAT WIDE BOTTOM GLASS FLASK, RESILIENT MEANS CLOSING THE MOUTH OF SAID FLASK, A SYRINGE SUSPENDED IN SAID FLASK BY EXTENDING THROUGH SAID RESILIENT CLOSURE MEANS IN FRICTION FIT THEREWITH, SAID SYRINGE HAVING AN AXIALLY MOVABLE ROD THEREIN, A PLUNGER ATTACHED TO SAID ROD AT ONE END AND ARRANGED ON AXIALLY DOWNWARD MOVEMENT TO CAUSE LIQUID TO BE DELIVERED FROM SAID SYRINGE, MEANS FOR MOVING SAID PLUNGER DOWNWARDLY IN SAID SYRINGE AT A SLOW, MEASURED RATE AND INCLUDING A SPRING CLAMP HAVING RESILIENT ARMS FOR RELEASABLE ATTACHMENT TO SAID SYRINGE.
Claim 2
Independent Claim
97 words
AN APPARATUS FOR TITRATION WHICH COMPRISES: A FLAT WIDE BOTTOM GLASS FLASK, RESILIENT MEANS CLOSING THE MOUTH OF SAID FLASK, A SYRINGE SUSPENDED IN SAID FLASK BY EXTENDING THROUGH SAID RESILIENT CLOSURE MEANS IN FRICTION FIT THEREWITH, SAID SYRINGE HAVING AN AXIALLY MOVABLE ROD THEREIN, A PLUNGER ATTACHED TO SAID ROD AT ONE END AND ARRANGED ON AXIALLY DOWNWARD MOVEMENT TO CAUSE LIQUID TO BE DELIVERED FROM SAID SYRINGE, MEANS FOR MOVING SAID PLUNGER DOWNWARDLY IN SAID SYRINGE AT A SLOW, MEASURED RATE AND INCLUDING A SPRING CLAMP HAVING RESILIENT ARMS FOR RELEASABLE ATTACHMENT TO SAID SYRINGE.
References Cited (Backward Citations)
US2158102A
Cited
US2412295A
Cited
US2660342A
Cited
US2771217A
Cited
US3119524A
Cited
US3232117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |